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Finding the Fourth Proportional to 55,777.20, 83,422.80 and 49,896.60

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Solution

The fourth proportional to 55,777.20, 83,422.80 and 49,896.60 is: 74,627.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,777.20 : 83,422.80 = 49,896.60 : x
  2. Step 2: Convert to fraction form
    55,777.20/83,422.80 = 49,896.60/x
  3. Step 3: Cross multiply
    55,777.20x = 83,422.80 × 49,896.60
  4. Step 4: Simplify right side
    55,777.20x = 4,162,514,082.48
  5. Step 5: Solve for x
    x = 4,162,514,082.48/55,777.20
  6. Step 6: Final answer
    x = 74,627.52

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