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Finding the Fourth Proportional to 68,321.22, 102,411.63 and 26,189.88

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Solution

The fourth proportional to 68,321.22, 102,411.63 and 26,189.88 is: 39,257.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,321.22 : 102,411.63 = 26,189.88 : x
  2. Step 2: Convert to fraction form
    68,321.22/102,411.63 = 26,189.88/x
  3. Step 3: Cross multiply
    68,321.22x = 102,411.63 × 26,189.88
  4. Step 4: Simplify right side
    68,321.22x = 2,682,148,300.30
  5. Step 5: Solve for x
    x = 2,682,148,300.30/68,321.22
  6. Step 6: Final answer
    x = 39,257.91

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