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Finding the Fourth Proportional to 72,295.23, 99,766.44 and 40,464.12

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Solution

The fourth proportional to 72,295.23, 99,766.44 and 40,464.12 is: 55,839.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,295.23 : 99,766.44 = 40,464.12 : x
  2. Step 2: Convert to fraction form
    72,295.23/99,766.44 = 40,464.12/x
  3. Step 3: Cross multiply
    72,295.23x = 99,766.44 × 40,464.12
  4. Step 4: Simplify right side
    72,295.23x = 4,036,961,200.13
  5. Step 5: Solve for x
    x = 4,036,961,200.13/72,295.23
  6. Step 6: Final answer
    x = 55,839.94

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