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Finding the Fourth Proportional to 186,458.44, 279,728.17 and 68,129.59

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Solution

The fourth proportional to 186,458.44, 279,728.17 and 68,129.59 is: 102,209.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,458.44 : 279,728.17 = 68,129.59 : x
  2. Step 2: Convert to fraction form
    186,458.44/279,728.17 = 68,129.59/x
  3. Step 3: Cross multiply
    186,458.44x = 279,728.17 × 68,129.59
  4. Step 4: Simplify right side
    186,458.44x = 19,057,765,533.55
  5. Step 5: Solve for x
    x = 19,057,765,533.55/186,458.44
  6. Step 6: Final answer
    x = 102,209.19

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