Finding the Fourth Proportional to 12,790.89, 17,650.73 and 7,048.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,790.89 : 17,650.73 = 7,048.16 : x
2. Step 2: Convert to fraction form
   12,790.89/17,650.73 = 7,048.16/x
3. Step 3: Cross multiply
   12,790.89x = 17,650.73 × 7,048.16
4. Step 4: Simplify right side
   12,790.89x = 124,405,186.78
5. Step 5: Solve for x
   x = 124,405,186.78/12,790.89
6. Step 6: Final answer
   x = 9,726.08