Finding the Fourth Proportional to 9,082.01, 12,528.72 and 5,539.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,082.01 : 12,528.72 = 5,539.07 : x
2. Step 2: Convert to fraction form
   9,082.01/12,528.72 = 5,539.07/x
3. Step 3: Cross multiply
   9,082.01x = 12,528.72 × 5,539.07
4. Step 4: Simplify right side
   9,082.01x = 69,397,394.45
5. Step 5: Solve for x
   x = 69,397,394.45/9,082.01
6. Step 6: Final answer
   x = 7,641.20