Finding the Fourth Proportional to 9,729.15, 13,426.37 and 5,695.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,729.15 : 13,426.37 = 5,695.05 : x
2. Step 2: Convert to fraction form
   9,729.15/13,426.37 = 5,695.05/x
3. Step 3: Cross multiply
   9,729.15x = 13,426.37 × 5,695.05
4. Step 4: Simplify right side
   9,729.15x = 76,463,819.99
5. Step 5: Solve for x
   x = 76,463,819.99/9,729.15
6. Step 6: Final answer
   x = 7,859.25