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Finding the Fourth Proportional to 192,456.72, 288,608.48 and 74,062.24

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Solution

The fourth proportional to 192,456.72, 288,608.48 and 74,062.24 is: 111,063.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,456.72 : 288,608.48 = 74,062.24 : x
  2. Step 2: Convert to fraction form
    192,456.72/288,608.48 = 74,062.24/x
  3. Step 3: Cross multiply
    192,456.72x = 288,608.48 × 74,062.24
  4. Step 4: Simplify right side
    192,456.72x = 21,374,990,511.80
  5. Step 5: Solve for x
    x = 21,374,990,511.80/192,456.72
  6. Step 6: Final answer
    x = 111,063.88

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