Finding the Fourth Proportional to 8,726.50, 13,082.31 and 3,792.39

Step by Step Solution

1. Step 1: Write the proportion equation
   8,726.50 : 13,082.31 = 3,792.39 : x
2. Step 2: Convert to fraction form
   8,726.50/13,082.31 = 3,792.39/x
3. Step 3: Cross multiply
   8,726.50x = 13,082.31 × 3,792.39
4. Step 4: Simplify right side
   8,726.50x = 49,613,172.56
5. Step 5: Solve for x
   x = 49,613,172.56/8,726.50
6. Step 6: Final answer
   x = 5,685.35