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Finding the Fourth Proportional to 68,951.19, 103,432.73 and 19,031.29

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Solution

The fourth proportional to 68,951.19, 103,432.73 and 19,031.29 is: 28,548.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,951.19 : 103,432.73 = 19,031.29 : x
  2. Step 2: Convert to fraction form
    68,951.19/103,432.73 = 19,031.29/x
  3. Step 3: Cross multiply
    68,951.19x = 103,432.73 × 19,031.29
  4. Step 4: Simplify right side
    68,951.19x = 1,968,458,280.12
  5. Step 5: Solve for x
    x = 1,968,458,280.12/68,951.19
  6. Step 6: Final answer
    x = 28,548.58

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