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Finding the Fourth Proportional to 157,699.28, 236,458.02 and 107,839.78

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Solution

The fourth proportional to 157,699.28, 236,458.02 and 107,839.78 is: 161,697.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,699.28 : 236,458.02 = 107,839.78 : x
  2. Step 2: Convert to fraction form
    157,699.28/236,458.02 = 107,839.78/x
  3. Step 3: Cross multiply
    157,699.28x = 236,458.02 × 107,839.78
  4. Step 4: Simplify right side
    157,699.28x = 25,499,580,856.04
  5. Step 5: Solve for x
    x = 25,499,580,856.04/157,699.28
  6. Step 6: Final answer
    x = 161,697.51

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