Finding the Fourth Proportional to 9,082.55, 12,539.50 and 7,201.73

Step by Step Solution

1. Step 1: Write the proportion equation
   9,082.55 : 12,539.50 = 7,201.73 : x
2. Step 2: Convert to fraction form
   9,082.55/12,539.50 = 7,201.73/x
3. Step 3: Cross multiply
   9,082.55x = 12,539.50 × 7,201.73
4. Step 4: Simplify right side
   9,082.55x = 90,306,093.34
5. Step 5: Solve for x
   x = 90,306,093.34/9,082.55
6. Step 6: Final answer
   x = 9,942.81