Finding the Fourth Proportional to 9,790.68, 13,510.67 and 5,314.39

Step by Step Solution

1. Step 1: Write the proportion equation
   9,790.68 : 13,510.67 = 5,314.39 : x
2. Step 2: Convert to fraction form
   9,790.68/13,510.67 = 5,314.39/x
3. Step 3: Cross multiply
   9,790.68x = 13,510.67 × 5,314.39
4. Step 4: Simplify right side
   9,790.68x = 71,800,969.54
5. Step 5: Solve for x
   x = 71,800,969.54/9,790.68
6. Step 6: Final answer
   x = 7,333.60