Finding the Fourth Proportional to 82,591.98, 123,786.45 and 38,158.62

Step by Step Solution

1. Step 1: Write the proportion equation
   82,591.98 : 123,786.45 = 38,158.62 : x
2. Step 2: Convert to fraction form
   82,591.98/123,786.45 = 38,158.62/x
3. Step 3: Cross multiply
   82,591.98x = 123,786.45 × 38,158.62
4. Step 4: Simplify right side
   82,591.98x = 4,723,520,106.70
5. Step 5: Solve for x
   x = 4,723,520,106.70/82,591.98
6. Step 6: Final answer
   x = 57,191.03