Finding the Fourth Proportional to 9,792.78, 13,514.04 and 5,601.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,792.78 : 13,514.04 = 5,601.12 : x
2. Step 2: Convert to fraction form
   9,792.78/13,514.04 = 5,601.12/x
3. Step 3: Cross multiply
   9,792.78x = 13,514.04 × 5,601.12
4. Step 4: Simplify right side
   9,792.78x = 75,693,759.72
5. Step 5: Solve for x
   x = 75,693,759.72/9,792.78
6. Step 6: Final answer
   x = 7,729.55