Finding the Fourth Proportional to 9,047.60, 12,485.68 and 5,510.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,047.60 : 12,485.68 = 5,510.81 : x
2. Step 2: Convert to fraction form
   9,047.60/12,485.68 = 5,510.81/x
3. Step 3: Cross multiply
   9,047.60x = 12,485.68 × 5,510.81
4. Step 4: Simplify right side
   9,047.60x = 68,806,120.22
5. Step 5: Solve for x
   x = 68,806,120.22/9,047.60
6. Step 6: Final answer
   x = 7,604.91