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Finding the Fourth Proportional to 20,192.81, 30,302.17 and 9,798.89

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Solution

The fourth proportional to 20,192.81, 30,302.17 and 9,798.89 is: 14,704.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,192.81 : 30,302.17 = 9,798.89 : x
  2. Step 2: Convert to fraction form
    20,192.81/30,302.17 = 9,798.89/x
  3. Step 3: Cross multiply
    20,192.81x = 30,302.17 × 9,798.89
  4. Step 4: Simplify right side
    20,192.81x = 296,927,454.58
  5. Step 5: Solve for x
    x = 296,927,454.58/20,192.81
  6. Step 6: Final answer
    x = 14,704.62

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