Finding the Fourth Proportional to 5,222.56, 7,196.72 and 3,726.26

Step by Step Solution

1. Step 1: Write the proportion equation
   5,222.56 : 7,196.72 = 3,726.26 : x
2. Step 2: Convert to fraction form
   5,222.56/7,196.72 = 3,726.26/x
3. Step 3: Cross multiply
   5,222.56x = 7,196.72 × 3,726.26
4. Step 4: Simplify right side
   5,222.56x = 26,816,849.87
5. Step 5: Solve for x
   x = 26,816,849.87/5,222.56
6. Step 6: Final answer
   x = 5,134.81