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Finding the Fourth Proportional to 115,263.40, 172,825.98 and 45,059.08

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Solution

The fourth proportional to 115,263.40, 172,825.98 and 45,059.08 is: 67,561.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,263.40 : 172,825.98 = 45,059.08 : x
  2. Step 2: Convert to fraction form
    115,263.40/172,825.98 = 45,059.08/x
  3. Step 3: Cross multiply
    115,263.40x = 172,825.98 × 45,059.08
  4. Step 4: Simplify right side
    115,263.40x = 7,787,379,658.90
  5. Step 5: Solve for x
    x = 7,787,379,658.90/115,263.40
  6. Step 6: Final answer
    x = 67,561.60

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