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Finding the Fourth Proportional to 87,698.97, 131,495.94 and 42,631.62

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Solution

The fourth proportional to 87,698.97, 131,495.94 and 42,631.62 is: 63,921.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,698.97 : 131,495.94 = 42,631.62 : x
  2. Step 2: Convert to fraction form
    87,698.97/131,495.94 = 42,631.62/x
  3. Step 3: Cross multiply
    87,698.97x = 131,495.94 × 42,631.62
  4. Step 4: Simplify right side
    87,698.97x = 5,605,884,945.62
  5. Step 5: Solve for x
    x = 5,605,884,945.62/87,698.97
  6. Step 6: Final answer
    x = 63,921.90

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