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Finding the Fourth Proportional to 103,622.94, 142,993.78 and 58,302.83

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Solution

The fourth proportional to 103,622.94, 142,993.78 and 58,302.83 is: 80,454.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,622.94 : 142,993.78 = 58,302.83 : x
  2. Step 2: Convert to fraction form
    103,622.94/142,993.78 = 58,302.83/x
  3. Step 3: Cross multiply
    103,622.94x = 142,993.78 × 58,302.83
  4. Step 4: Simplify right side
    103,622.94x = 8,336,942,046.40
  5. Step 5: Solve for x
    x = 8,336,942,046.40/103,622.94
  6. Step 6: Final answer
    x = 80,454.60

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