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Finding the Fourth Proportional to 66,473.20, 99,774.60 and 33,230.80

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Solution

The fourth proportional to 66,473.20, 99,774.60 and 33,230.80 is: 49,878.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,473.20 : 99,774.60 = 33,230.80 : x
  2. Step 2: Convert to fraction form
    66,473.20/99,774.60 = 33,230.80/x
  3. Step 3: Cross multiply
    66,473.20x = 99,774.60 × 33,230.80
  4. Step 4: Simplify right side
    66,473.20x = 3,315,589,777.68
  5. Step 5: Solve for x
    x = 3,315,589,777.68/66,473.20
  6. Step 6: Final answer
    x = 49,878.59

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