Finding the Fourth Proportional to 7,149.57, 10,726.56 and 3,204.15

Step by Step Solution

1. Step 1: Write the proportion equation
   7,149.57 : 10,726.56 = 3,204.15 : x
2. Step 2: Convert to fraction form
   7,149.57/10,726.56 = 3,204.15/x
3. Step 3: Cross multiply
   7,149.57x = 10,726.56 × 3,204.15
4. Step 4: Simplify right side
   7,149.57x = 34,369,507.22
5. Step 5: Solve for x
   x = 34,369,507.22/7,149.57
6. Step 6: Final answer
   x = 4,807.21