Finding the Fourth Proportional to 9,944.80, 13,726.37 and 5,697.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,944.80 : 13,726.37 = 5,697.25 : x
2. Step 2: Convert to fraction form
   9,944.80/13,726.37 = 5,697.25/x
3. Step 3: Cross multiply
   9,944.80x = 13,726.37 × 5,697.25
4. Step 4: Simplify right side
   9,944.80x = 78,202,561.48
5. Step 5: Solve for x
   x = 78,202,561.48/9,944.80
6. Step 6: Final answer
   x = 7,863.66