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Finding the Fourth Proportional to 262,676.05, 394,069.43 and 85,169.22

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Solution

The fourth proportional to 262,676.05, 394,069.43 and 85,169.22 is: 127,771.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,676.05 : 394,069.43 = 85,169.22 : x
  2. Step 2: Convert to fraction form
    262,676.05/394,069.43 = 85,169.22/x
  3. Step 3: Cross multiply
    262,676.05x = 394,069.43 × 85,169.22
  4. Step 4: Simplify right side
    262,676.05x = 33,562,584,235.03
  5. Step 5: Solve for x
    x = 33,562,584,235.03/262,676.05
  6. Step 6: Final answer
    x = 127,771.77

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