Finding the Fourth Proportional to 9,681.83, 14,508.89 and 5,513.23

Step by Step Solution

1. Step 1: Write the proportion equation
   9,681.83 : 14,508.89 = 5,513.23 : x
2. Step 2: Convert to fraction form
   9,681.83/14,508.89 = 5,513.23/x
3. Step 3: Cross multiply
   9,681.83x = 14,508.89 × 5,513.23
4. Step 4: Simplify right side
   9,681.83x = 79,990,825.13
5. Step 5: Solve for x
   x = 79,990,825.13/9,681.83
6. Step 6: Final answer
   x = 8,261.96