Finding the Fourth Proportional to 9,792.72, 13,515.12 and 5,816.03

Step by Step Solution

1. Step 1: Write the proportion equation
   9,792.72 : 13,515.12 = 5,816.03 : x
2. Step 2: Convert to fraction form
   9,792.72/13,515.12 = 5,816.03/x
3. Step 3: Cross multiply
   9,792.72x = 13,515.12 × 5,816.03
4. Step 4: Simplify right side
   9,792.72x = 78,604,275.80
5. Step 5: Solve for x
   x = 78,604,275.80/9,792.72
6. Step 6: Final answer
   x = 8,026.81