Finding the Fourth Proportional to 9,792.56, 13,513.72 and 5,316.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,792.56 : 13,513.72 = 5,316.30 : x
2. Step 2: Convert to fraction form
   9,792.56/13,513.72 = 5,316.30/x
3. Step 3: Cross multiply
   9,792.56x = 13,513.72 × 5,316.30
4. Step 4: Simplify right side
   9,792.56x = 71,842,989.64
5. Step 5: Solve for x
   x = 71,842,989.64/9,792.56
6. Step 6: Final answer
   x = 7,336.49