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Finding the Fourth Proportional to 19,125.74, 28,692.66 and 5,979.11

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Solution

The fourth proportional to 19,125.74, 28,692.66 and 5,979.11 is: 8,969.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,125.74 : 28,692.66 = 5,979.11 : x
  2. Step 2: Convert to fraction form
    19,125.74/28,692.66 = 5,979.11/x
  3. Step 3: Cross multiply
    19,125.74x = 28,692.66 × 5,979.11
  4. Step 4: Simplify right side
    19,125.74x = 171,556,449.29
  5. Step 5: Solve for x
    x = 171,556,449.29/19,125.74
  6. Step 6: Final answer
    x = 8,969.92

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