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Finding the Fourth Proportional to 78,192.88, 107,903.54 and 46,342.88

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Solution

The fourth proportional to 78,192.88, 107,903.54 and 46,342.88 is: 63,951.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,192.88 : 107,903.54 = 46,342.88 : x
  2. Step 2: Convert to fraction form
    78,192.88/107,903.54 = 46,342.88/x
  3. Step 3: Cross multiply
    78,192.88x = 107,903.54 × 46,342.88
  4. Step 4: Simplify right side
    78,192.88x = 5,000,560,805.80
  5. Step 5: Solve for x
    x = 5,000,560,805.80/78,192.88
  6. Step 6: Final answer
    x = 63,951.61

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