Finding the Fourth Proportional to 9,792.66, 13,513.50 and 5,316.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,792.66 : 13,513.50 = 5,316.31 : x
2. Step 2: Convert to fraction form
   9,792.66/13,513.50 = 5,316.31/x
3. Step 3: Cross multiply
   9,792.66x = 13,513.50 × 5,316.31
4. Step 4: Simplify right side
   9,792.66x = 71,841,955.19
5. Step 5: Solve for x
   x = 71,841,955.19/9,792.66
6. Step 6: Final answer
   x = 7,336.31