Finding the Fourth Proportional to 10,729.39, 14,807.42 and 5,949.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,729.39 : 14,807.42 = 5,949.80 : x
2. Step 2: Convert to fraction form
   10,729.39/14,807.42 = 5,949.80/x
3. Step 3: Cross multiply
   10,729.39x = 14,807.42 × 5,949.80
4. Step 4: Simplify right side
   10,729.39x = 88,101,278.33
5. Step 5: Solve for x
   x = 88,101,278.33/10,729.39
6. Step 6: Final answer
   x = 8,211.21