Finding the Fourth Proportional to 9,792.72, 14,690.16 and 3,553.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,792.72 : 14,690.16 = 3,553.20 : x
2. Step 2: Convert to fraction form
   9,792.72/14,690.16 = 3,553.20/x
3. Step 3: Cross multiply
   9,792.72x = 14,690.16 × 3,553.20
4. Step 4: Simplify right side
   9,792.72x = 52,197,076.51
5. Step 5: Solve for x
   x = 52,197,076.51/9,792.72
6. Step 6: Final answer
   x = 5,330.19