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Finding the Fourth Proportional to 12,819.33, 19,214.28 and 5,879.25

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Solution

The fourth proportional to 12,819.33, 19,214.28 and 5,879.25 is: 8,812.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,819.33 : 19,214.28 = 5,879.25 : x
  2. Step 2: Convert to fraction form
    12,819.33/19,214.28 = 5,879.25/x
  3. Step 3: Cross multiply
    12,819.33x = 19,214.28 × 5,879.25
  4. Step 4: Simplify right side
    12,819.33x = 112,965,555.69
  5. Step 5: Solve for x
    x = 112,965,555.69/12,819.33
  6. Step 6: Final answer
    x = 8,812.13

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