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Finding the Fourth Proportional to 314,348.91, 471,518.77 and 77,691.61

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Solution

The fourth proportional to 314,348.91, 471,518.77 and 77,691.61 is: 116,536.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,348.91 : 471,518.77 = 77,691.61 : x
  2. Step 2: Convert to fraction form
    314,348.91/471,518.77 = 77,691.61/x
  3. Step 3: Cross multiply
    314,348.91x = 471,518.77 × 77,691.61
  4. Step 4: Simplify right side
    314,348.91x = 36,633,052,386.52
  5. Step 5: Solve for x
    x = 36,633,052,386.52/314,348.91
  6. Step 6: Final answer
    x = 116,536.28

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