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Finding the Fourth Proportional to 67,211.19, 100,816.79 and 27,724.91

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Solution

The fourth proportional to 67,211.19, 100,816.79 and 27,724.91 is: 41,587.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,211.19 : 100,816.79 = 27,724.91 : x
  2. Step 2: Convert to fraction form
    67,211.19/100,816.79 = 27,724.91/x
  3. Step 3: Cross multiply
    67,211.19x = 100,816.79 × 27,724.91
  4. Step 4: Simplify right side
    67,211.19x = 2,795,135,786.53
  5. Step 5: Solve for x
    x = 2,795,135,786.53/67,211.19
  6. Step 6: Final answer
    x = 41,587.36

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