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Finding the Fourth Proportional to 405,163.91, 607,746.32 and 105,644.24

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Solution

The fourth proportional to 405,163.91, 607,746.32 and 105,644.24 is: 158,466.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,163.91 : 607,746.32 = 105,644.24 : x
  2. Step 2: Convert to fraction form
    405,163.91/607,746.32 = 105,644.24/x
  3. Step 3: Cross multiply
    405,163.91x = 607,746.32 × 105,644.24
  4. Step 4: Simplify right side
    405,163.91x = 64,204,898,089.20
  5. Step 5: Solve for x
    x = 64,204,898,089.20/405,163.91
  6. Step 6: Final answer
    x = 158,466.48

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