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Finding the Fourth Proportional to 170,058.80, 255,115.20 and 57,749.60

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Solution

The fourth proportional to 170,058.80, 255,115.20 and 57,749.60 is: 86,633.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,058.80 : 255,115.20 = 57,749.60 : x
  2. Step 2: Convert to fraction form
    170,058.80/255,115.20 = 57,749.60/x
  3. Step 3: Cross multiply
    170,058.80x = 255,115.20 × 57,749.60
  4. Step 4: Simplify right side
    170,058.80x = 14,732,800,753.92
  5. Step 5: Solve for x
    x = 14,732,800,753.92/170,058.80
  6. Step 6: Final answer
    x = 86,633.57

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