Finding the Fourth Proportional to 9,082.30, 12,539.16 and 7,201.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,082.30 : 12,539.16 = 7,201.48 : x
2. Step 2: Convert to fraction form
   9,082.30/12,539.16 = 7,201.48/x
3. Step 3: Cross multiply
   9,082.30x = 12,539.16 × 7,201.48
4. Step 4: Simplify right side
   9,082.30x = 90,300,447.26
5. Step 5: Solve for x
   x = 90,300,447.26/9,082.30
6. Step 6: Final answer
   x = 9,942.47