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Finding the Fourth Proportional to 78,195.33, 107,906.67 and 42,384.57

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Solution

The fourth proportional to 78,195.33, 107,906.67 and 42,384.57 is: 58,489.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,195.33 : 107,906.67 = 42,384.57 : x
  2. Step 2: Convert to fraction form
    78,195.33/107,906.67 = 42,384.57/x
  3. Step 3: Cross multiply
    78,195.33x = 107,906.67 × 42,384.57
  4. Step 4: Simplify right side
    78,195.33x = 4,573,577,892.57
  5. Step 5: Solve for x
    x = 4,573,577,892.57/78,195.33
  6. Step 6: Final answer
    x = 58,489.14

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