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Finding the Fourth Proportional to 20,224.94, 30,341.79 and 7,744.97

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Solution

The fourth proportional to 20,224.94, 30,341.79 and 7,744.97 is: 11,619.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,224.94 : 30,341.79 = 7,744.97 : x
  2. Step 2: Convert to fraction form
    20,224.94/30,341.79 = 7,744.97/x
  3. Step 3: Cross multiply
    20,224.94x = 30,341.79 × 7,744.97
  4. Step 4: Simplify right side
    20,224.94x = 234,996,149.20
  5. Step 5: Solve for x
    x = 234,996,149.20/20,224.94
  6. Step 6: Final answer
    x = 11,619.13

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