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Finding the Fourth Proportional to 68,721.40, 103,057.80 and 24,349.60

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Solution

The fourth proportional to 68,721.40, 103,057.80 and 24,349.60 is: 36,515.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,721.40 : 103,057.80 = 24,349.60 : x
  2. Step 2: Convert to fraction form
    68,721.40/103,057.80 = 24,349.60/x
  3. Step 3: Cross multiply
    68,721.40x = 103,057.80 × 24,349.60
  4. Step 4: Simplify right side
    68,721.40x = 2,509,416,206.88
  5. Step 5: Solve for x
    x = 2,509,416,206.88/68,721.40
  6. Step 6: Final answer
    x = 36,515.79

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