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Finding the Fourth Proportional to 10,982.80, 16,474.20 and 8,795.80

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Solution

The fourth proportional to 10,982.80, 16,474.20 and 8,795.80 is: 13,193.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,982.80 : 16,474.20 = 8,795.80 : x
  2. Step 2: Convert to fraction form
    10,982.80/16,474.20 = 8,795.80/x
  3. Step 3: Cross multiply
    10,982.80x = 16,474.20 × 8,795.80
  4. Step 4: Simplify right side
    10,982.80x = 144,903,768.36
  5. Step 5: Solve for x
    x = 144,903,768.36/10,982.80
  6. Step 6: Final answer
    x = 13,193.70

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