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Finding the Fourth Proportional to 57,777.20, 86,730.60 and 44,687.60

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Solution

The fourth proportional to 57,777.20, 86,730.60 and 44,687.60 is: 67,081.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,777.20 : 86,730.60 = 44,687.60 : x
  2. Step 2: Convert to fraction form
    57,777.20/86,730.60 = 44,687.60/x
  3. Step 3: Cross multiply
    57,777.20x = 86,730.60 × 44,687.60
  4. Step 4: Simplify right side
    57,777.20x = 3,875,782,360.56
  5. Step 5: Solve for x
    x = 3,875,782,360.56/57,777.20
  6. Step 6: Final answer
    x = 67,081.52

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