Finding the Fourth Proportional to 9,683.80, 13,363.83 and 5,707.11

Step by Step Solution

1. Step 1: Write the proportion equation
   9,683.80 : 13,363.83 = 5,707.11 : x
2. Step 2: Convert to fraction form
   9,683.80/13,363.83 = 5,707.11/x
3. Step 3: Cross multiply
   9,683.80x = 13,363.83 × 5,707.11
4. Step 4: Simplify right side
   9,683.80x = 76,268,759.61
5. Step 5: Solve for x
   x = 76,268,759.61/9,683.80
6. Step 6: Final answer
   x = 7,875.91