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Finding the Fourth Proportional to 541,458.72, 812,326.32 and 162,378

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Solution

The fourth proportional to 541,458.72, 812,326.32 and 162,378 is: 243,608.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,458.72 : 812,326.32 = 162,378 : x
  2. Step 2: Convert to fraction form
    541,458.72/812,326.32 = 162,378/x
  3. Step 3: Cross multiply
    541,458.72x = 812,326.32 × 162,378
  4. Step 4: Simplify right side
    541,458.72x = 131,903,923,188.96
  5. Step 5: Solve for x
    x = 131,903,923,188.96/541,458.72
  6. Step 6: Final answer
    x = 243,608.46

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