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Finding the Fourth Proportional to 115,009.60, 172,579.20 and 44,879.80

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Solution

The fourth proportional to 115,009.60, 172,579.20 and 44,879.80 is: 67,344.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,009.60 : 172,579.20 = 44,879.80 : x
  2. Step 2: Convert to fraction form
    115,009.60/172,579.20 = 44,879.80/x
  3. Step 3: Cross multiply
    115,009.60x = 172,579.20 × 44,879.80
  4. Step 4: Simplify right side
    115,009.60x = 7,745,319,980.16
  5. Step 5: Solve for x
    x = 7,745,319,980.16/115,009.60
  6. Step 6: Final answer
    x = 67,344.99

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