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Finding the Fourth Proportional to 192,361.92, 288,601.20 and 92,493.78

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Solution

The fourth proportional to 192,361.92, 288,601.20 and 92,493.78 is: 138,768.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,361.92 : 288,601.20 = 92,493.78 : x
  2. Step 2: Convert to fraction form
    192,361.92/288,601.20 = 92,493.78/x
  3. Step 3: Cross multiply
    192,361.92x = 288,601.20 × 92,493.78
  4. Step 4: Simplify right side
    192,361.92x = 26,693,815,900.54
  5. Step 5: Solve for x
    x = 26,693,815,900.54/192,361.92
  6. Step 6: Final answer
    x = 138,768.71

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