Finding the Fourth Proportional to 9,792.56, 13,513.50 and 5,316.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,792.56 : 13,513.50 = 5,316.12 : x
2. Step 2: Convert to fraction form
   9,792.56/13,513.50 = 5,316.12/x
3. Step 3: Cross multiply
   9,792.56x = 13,513.50 × 5,316.12
4. Step 4: Simplify right side
   9,792.56x = 71,839,387.62
5. Step 5: Solve for x
   x = 71,839,387.62/9,792.56
6. Step 6: Final answer
   x = 7,336.12