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Finding the Fourth Proportional to 115,045.60, 172,633.20 and 44,915.80

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Solution

The fourth proportional to 115,045.60, 172,633.20 and 44,915.80 is: 67,399.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,045.60 : 172,633.20 = 44,915.80 : x
  2. Step 2: Convert to fraction form
    115,045.60/172,633.20 = 44,915.80/x
  3. Step 3: Cross multiply
    115,045.60x = 172,633.20 × 44,915.80
  4. Step 4: Simplify right side
    115,045.60x = 7,753,958,284.56
  5. Step 5: Solve for x
    x = 7,753,958,284.56/115,045.60
  6. Step 6: Final answer
    x = 67,399.00

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