Finding the Fourth Proportional to 9,025.30, 12,455.18 and 5,047.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,025.30 : 12,455.18 = 5,047.12 : x
2. Step 2: Convert to fraction form
   9,025.30/12,455.18 = 5,047.12/x
3. Step 3: Cross multiply
   9,025.30x = 12,455.18 × 5,047.12
4. Step 4: Simplify right side
   9,025.30x = 62,862,738.42
5. Step 5: Solve for x
   x = 62,862,738.42/9,025.30
6. Step 6: Final answer
   x = 6,965.17