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Finding the Fourth Proportional to 262,895.60, 394,343.40 and 168,417.20

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Solution

The fourth proportional to 262,895.60, 394,343.40 and 168,417.20 is: 252,625.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,895.60 : 394,343.40 = 168,417.20 : x
  2. Step 2: Convert to fraction form
    262,895.60/394,343.40 = 168,417.20/x
  3. Step 3: Cross multiply
    262,895.60x = 394,343.40 × 168,417.20
  4. Step 4: Simplify right side
    262,895.60x = 66,414,211,266.48
  5. Step 5: Solve for x
    x = 66,414,211,266.48/262,895.60
  6. Step 6: Final answer
    x = 252,625.80

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