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Finding the Fourth Proportional to 215,203.44, 322,806.72 and 74,961.60

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Solution

The fourth proportional to 215,203.44, 322,806.72 and 74,961.60 is: 112,442.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,203.44 : 322,806.72 = 74,961.60 : x
  2. Step 2: Convert to fraction form
    215,203.44/322,806.72 = 74,961.60/x
  3. Step 3: Cross multiply
    215,203.44x = 322,806.72 × 74,961.60
  4. Step 4: Simplify right side
    215,203.44x = 24,198,108,221.95
  5. Step 5: Solve for x
    x = 24,198,108,221.95/215,203.44
  6. Step 6: Final answer
    x = 112,442.94

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