Finding the Fourth Proportional to 5,726.22, 7,898.79 and 3,626.70

Step by Step Solution

1. Step 1: Write the proportion equation
   5,726.22 : 7,898.79 = 3,626.70 : x
2. Step 2: Convert to fraction form
   5,726.22/7,898.79 = 3,626.70/x
3. Step 3: Cross multiply
   5,726.22x = 7,898.79 × 3,626.70
4. Step 4: Simplify right side
   5,726.22x = 28,646,541.69
5. Step 5: Solve for x
   x = 28,646,541.69/5,726.22
6. Step 6: Final answer
   x = 5,002.70