Finding the Fourth Proportional to 12,604.80, 17,399.04 and 7,301.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,604.80 : 17,399.04 = 7,301.76 : x
2. Step 2: Convert to fraction form
   12,604.80/17,399.04 = 7,301.76/x
3. Step 3: Cross multiply
   12,604.80x = 17,399.04 × 7,301.76
4. Step 4: Simplify right side
   12,604.80x = 127,043,614.31
5. Step 5: Solve for x
   x = 127,043,614.31/12,604.80
6. Step 6: Final answer
   x = 10,078.99