Finding the Fourth Proportional to 10,729.90, 16,091.77 and 3,708.07

Step by Step Solution

1. Step 1: Write the proportion equation
   10,729.90 : 16,091.77 = 3,708.07 : x
2. Step 2: Convert to fraction form
   10,729.90/16,091.77 = 3,708.07/x
3. Step 3: Cross multiply
   10,729.90x = 16,091.77 × 3,708.07
4. Step 4: Simplify right side
   10,729.90x = 59,669,391.04
5. Step 5: Solve for x
   x = 59,669,391.04/10,729.90
6. Step 6: Final answer
   x = 5,561.04