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Finding the Fourth Proportional to 103,599.44, 142,963.08 and 58,278.32

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Solution

The fourth proportional to 103,599.44, 142,963.08 and 58,278.32 is: 80,421.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,599.44 : 142,963.08 = 58,278.32 : x
  2. Step 2: Convert to fraction form
    103,599.44/142,963.08 = 58,278.32/x
  3. Step 3: Cross multiply
    103,599.44x = 142,963.08 × 58,278.32
  4. Step 4: Simplify right side
    103,599.44x = 8,331,648,124.43
  5. Step 5: Solve for x
    x = 8,331,648,124.43/103,599.44
  6. Step 6: Final answer
    x = 80,421.75

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