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Finding the Fourth Proportional to 83,858.85, 115,727.33 and 45,620.55

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Solution

The fourth proportional to 83,858.85, 115,727.33 and 45,620.55 is: 62,957.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,858.85 : 115,727.33 = 45,620.55 : x
  2. Step 2: Convert to fraction form
    83,858.85/115,727.33 = 45,620.55/x
  3. Step 3: Cross multiply
    83,858.85x = 115,727.33 × 45,620.55
  4. Step 4: Simplify right side
    83,858.85x = 5,279,544,216.53
  5. Step 5: Solve for x
    x = 5,279,544,216.53/83,858.85
  6. Step 6: Final answer
    x = 62,957.51

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