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Finding the Fourth Proportional to 263,117.80, 394,287.90 and 223,460.20

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Solution

The fourth proportional to 263,117.80, 394,287.90 and 223,460.20 is: 334,860.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,117.80 : 394,287.90 = 223,460.20 : x
  2. Step 2: Convert to fraction form
    263,117.80/394,287.90 = 223,460.20/x
  3. Step 3: Cross multiply
    263,117.80x = 394,287.90 × 223,460.20
  4. Step 4: Simplify right side
    263,117.80x = 88,107,652,991.58
  5. Step 5: Solve for x
    x = 88,107,652,991.58/263,117.80
  6. Step 6: Final answer
    x = 334,860.10

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