Finding the Fourth Proportional to 9,949.28, 13,726.74 and 5,700.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,949.28 : 13,726.74 = 5,700.83 : x
2. Step 2: Convert to fraction form
   9,949.28/13,726.74 = 5,700.83/x
3. Step 3: Cross multiply
   9,949.28x = 13,726.74 × 5,700.83
4. Step 4: Simplify right side
   9,949.28x = 78,253,742.56
5. Step 5: Solve for x
   x = 78,253,742.56/9,949.28
6. Step 6: Final answer
   x = 7,865.27