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Finding the Fourth Proportional to 294,268.80, 441,403.20 and 219,619.20

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Solution

The fourth proportional to 294,268.80, 441,403.20 and 219,619.20 is: 329,428.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,268.80 : 441,403.20 = 219,619.20 : x
  2. Step 2: Convert to fraction form
    294,268.80/441,403.20 = 219,619.20/x
  3. Step 3: Cross multiply
    294,268.80x = 441,403.20 × 219,619.20
  4. Step 4: Simplify right side
    294,268.80x = 96,940,617,661.44
  5. Step 5: Solve for x
    x = 96,940,617,661.44/294,268.80
  6. Step 6: Final answer
    x = 329,428.80

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