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Finding the Fourth Proportional to 157,611.70, 236,439.15 and 52,419.70

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Solution

The fourth proportional to 157,611.70, 236,439.15 and 52,419.70 is: 78,636.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,611.70 : 236,439.15 = 52,419.70 : x
  2. Step 2: Convert to fraction form
    157,611.70/236,439.15 = 52,419.70/x
  3. Step 3: Cross multiply
    157,611.70x = 236,439.15 × 52,419.70
  4. Step 4: Simplify right side
    157,611.70x = 12,394,069,311.26
  5. Step 5: Solve for x
    x = 12,394,069,311.26/157,611.70
  6. Step 6: Final answer
    x = 78,636.73

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