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Finding the Fourth Proportional to 157,798.13, 217,732.56 and 89,811.08

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Solution

The fourth proportional to 157,798.13, 217,732.56 and 89,811.08 is: 123,922.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,798.13 : 217,732.56 = 89,811.08 : x
  2. Step 2: Convert to fraction form
    157,798.13/217,732.56 = 89,811.08/x
  3. Step 3: Cross multiply
    157,798.13x = 217,732.56 × 89,811.08
  4. Step 4: Simplify right side
    157,798.13x = 19,554,795,755.81
  5. Step 5: Solve for x
    x = 19,554,795,755.81/157,798.13
  6. Step 6: Final answer
    x = 123,922.87

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