Finding the Fourth Proportional to 82,152.24, 123,229.17 and 25,991.30

Step by Step Solution

1. Step 1: Write the proportion equation
   82,152.24 : 123,229.17 = 25,991.30 : x
2. Step 2: Convert to fraction form
   82,152.24/123,229.17 = 25,991.30/x
3. Step 3: Cross multiply
   82,152.24x = 123,229.17 × 25,991.30
4. Step 4: Simplify right side
   82,152.24x = 3,202,885,710.08
5. Step 5: Solve for x
   x = 3,202,885,710.08/82,152.24
6. Step 6: Final answer
   x = 38,987.20