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Finding the Fourth Proportional to 115,784.91, 159,772.08 and 64,794.99

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Solution

The fourth proportional to 115,784.91, 159,772.08 and 64,794.99 is: 89,410.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,784.91 : 159,772.08 = 64,794.99 : x
  2. Step 2: Convert to fraction form
    115,784.91/159,772.08 = 64,794.99/x
  3. Step 3: Cross multiply
    115,784.91x = 159,772.08 × 64,794.99
  4. Step 4: Simplify right side
    115,784.91x = 10,352,430,325.88
  5. Step 5: Solve for x
    x = 10,352,430,325.88/115,784.91
  6. Step 6: Final answer
    x = 89,410.88

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