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Finding the Fourth Proportional to 87,753.28, 131,323.68 and 71,773.60

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Solution

The fourth proportional to 87,753.28, 131,323.68 and 71,773.60 is: 107,409.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,753.28 : 131,323.68 = 71,773.60 : x
  2. Step 2: Convert to fraction form
    87,753.28/131,323.68 = 71,773.60/x
  3. Step 3: Cross multiply
    87,753.28x = 131,323.68 × 71,773.60
  4. Step 4: Simplify right side
    87,753.28x = 9,425,573,278.85
  5. Step 5: Solve for x
    x = 9,425,573,278.85/87,753.28
  6. Step 6: Final answer
    x = 107,409.93

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