Finding the Fourth Proportional to 9,708.66, 14,560.16 and 5,547.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,708.66 : 14,560.16 = 5,547.89 : x
2. Step 2: Convert to fraction form
   9,708.66/14,560.16 = 5,547.89/x
3. Step 3: Cross multiply
   9,708.66x = 14,560.16 × 5,547.89
4. Step 4: Simplify right side
   9,708.66x = 80,778,174.72
5. Step 5: Solve for x
   x = 80,778,174.72/9,708.66
6. Step 6: Final answer
   x = 8,320.22