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Finding the Fourth Proportional to 263,826.51, 395,701.48 and 86,340.52

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Solution

The fourth proportional to 263,826.51, 395,701.48 and 86,340.52 is: 129,498.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,826.51 : 395,701.48 = 86,340.52 : x
  2. Step 2: Convert to fraction form
    263,826.51/395,701.48 = 86,340.52/x
  3. Step 3: Cross multiply
    263,826.51x = 395,701.48 × 86,340.52
  4. Step 4: Simplify right side
    263,826.51x = 34,165,071,547.97
  5. Step 5: Solve for x
    x = 34,165,071,547.97/263,826.51
  6. Step 6: Final answer
    x = 129,498.25

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