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Finding the Fourth Proportional to 57,773.70, 86,579.55 and 45,947.70

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Solution

The fourth proportional to 57,773.70, 86,579.55 and 45,947.70 is: 68,857.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,773.70 : 86,579.55 = 45,947.70 : x
  2. Step 2: Convert to fraction form
    57,773.70/86,579.55 = 45,947.70/x
  3. Step 3: Cross multiply
    57,773.70x = 86,579.55 × 45,947.70
  4. Step 4: Simplify right side
    57,773.70x = 3,978,131,189.54
  5. Step 5: Solve for x
    x = 3,978,131,189.54/57,773.70
  6. Step 6: Final answer
    x = 68,857.13

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