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Finding the Fourth Proportional to 157,894.56, 217,896.03 and 86,274.58

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Solution

The fourth proportional to 157,894.56, 217,896.03 and 86,274.58 is: 119,059.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,894.56 : 217,896.03 = 86,274.58 : x
  2. Step 2: Convert to fraction form
    157,894.56/217,896.03 = 86,274.58/x
  3. Step 3: Cross multiply
    157,894.56x = 217,896.03 × 86,274.58
  4. Step 4: Simplify right side
    157,894.56x = 18,798,888,471.92
  5. Step 5: Solve for x
    x = 18,798,888,471.92/157,894.56
  6. Step 6: Final answer
    x = 119,059.76

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