Finding the Fourth Proportional to 9,082.16, 13,621.60 and 2,506.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,082.16 : 13,621.60 = 2,506.72 : x
2. Step 2: Convert to fraction form
   9,082.16/13,621.60 = 2,506.72/x
3. Step 3: Cross multiply
   9,082.16x = 13,621.60 × 2,506.72
4. Step 4: Simplify right side
   9,082.16x = 34,145,537.15
5. Step 5: Solve for x
   x = 34,145,537.15/9,082.16
6. Step 6: Final answer
   x = 3,759.63