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Finding the Fourth Proportional to 66,220.08, 99,329.28 and 16,300.80

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Solution

The fourth proportional to 66,220.08, 99,329.28 and 16,300.80 is: 24,450.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,220.08 : 99,329.28 = 16,300.80 : x
  2. Step 2: Convert to fraction form
    66,220.08/99,329.28 = 16,300.80/x
  3. Step 3: Cross multiply
    66,220.08x = 99,329.28 × 16,300.80
  4. Step 4: Simplify right side
    66,220.08x = 1,619,146,727.42
  5. Step 5: Solve for x
    x = 1,619,146,727.42/66,220.08
  6. Step 6: Final answer
    x = 24,450.99

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