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Finding the Fourth Proportional to 295,260.80, 442,948.80 and 126,780.80

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Solution

The fourth proportional to 295,260.80, 442,948.80 and 126,780.80 is: 190,195.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,260.80 : 442,948.80 = 126,780.80 : x
  2. Step 2: Convert to fraction form
    295,260.80/442,948.80 = 126,780.80/x
  3. Step 3: Cross multiply
    295,260.80x = 442,948.80 × 126,780.80
  4. Step 4: Simplify right side
    295,260.80x = 56,157,403,223.04
  5. Step 5: Solve for x
    x = 56,157,403,223.04/295,260.80
  6. Step 6: Final answer
    x = 190,195.93

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