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Finding the Fourth Proportional to 115,907.20, 173,860.80 and 53,577.70

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Solution

The fourth proportional to 115,907.20, 173,860.80 and 53,577.70 is: 80,366.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,907.20 : 173,860.80 = 53,577.70 : x
  2. Step 2: Convert to fraction form
    115,907.20/173,860.80 = 53,577.70/x
  3. Step 3: Cross multiply
    115,907.20x = 173,860.80 × 53,577.70
  4. Step 4: Simplify right side
    115,907.20x = 9,315,061,784.16
  5. Step 5: Solve for x
    x = 9,315,061,784.16/115,907.20
  6. Step 6: Final answer
    x = 80,366.55

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