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Finding the Fourth Proportional to 214,272.78, 321,436.62 and 72,057.12

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Solution

The fourth proportional to 214,272.78, 321,436.62 and 72,057.12 is: 108,094.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,272.78 : 321,436.62 = 72,057.12 : x
  2. Step 2: Convert to fraction form
    214,272.78/321,436.62 = 72,057.12/x
  3. Step 3: Cross multiply
    214,272.78x = 321,436.62 × 72,057.12
  4. Step 4: Simplify right side
    214,272.78x = 23,161,797,099.73
  5. Step 5: Solve for x
    x = 23,161,797,099.73/214,272.78
  6. Step 6: Final answer
    x = 108,094.91

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