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Finding the Fourth Proportional to 7,854.69, 10,839.34 and 4,317.82

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Solution

The fourth proportional to 7,854.69, 10,839.34 and 4,317.82 is: 5,958.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,854.69 : 10,839.34 = 4,317.82 : x
  2. Step 2: Convert to fraction form
    7,854.69/10,839.34 = 4,317.82/x
  3. Step 3: Cross multiply
    7,854.69x = 10,839.34 × 4,317.82
  4. Step 4: Simplify right side
    7,854.69x = 46,802,319.04
  5. Step 5: Solve for x
    x = 46,802,319.04/7,854.69
  6. Step 6: Final answer
    x = 5,958.52

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