Finding the Fourth Proportional to 9,790.18, 13,510.31 and 5,313.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,790.18 : 13,510.31 = 5,313.94 : x
2. Step 2: Convert to fraction form
   9,790.18/13,510.31 = 5,313.94/x
3. Step 3: Cross multiply
   9,790.18x = 13,510.31 × 5,313.94
4. Step 4: Simplify right side
   9,790.18x = 71,792,976.72
5. Step 5: Solve for x
   x = 71,792,976.72/9,790.18
6. Step 6: Final answer
   x = 7,333.16