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Finding the Fourth Proportional to 29,143.62, 43,696.72 and 19,136.55

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Solution

The fourth proportional to 29,143.62, 43,696.72 and 19,136.55 is: 28,692.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,143.62 : 43,696.72 = 19,136.55 : x
  2. Step 2: Convert to fraction form
    29,143.62/43,696.72 = 19,136.55/x
  3. Step 3: Cross multiply
    29,143.62x = 43,696.72 × 19,136.55
  4. Step 4: Simplify right side
    29,143.62x = 836,204,547.26
  5. Step 5: Solve for x
    x = 836,204,547.26/29,143.62
  6. Step 6: Final answer
    x = 28,692.54

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