Finding the Fourth Proportional to 2,458.05, 3,686.00 and 726.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,458.05 : 3,686.00 = 726.27 : x
2. Step 2: Convert to fraction form
   2,458.05/3,686.00 = 726.27/x
3. Step 3: Cross multiply
   2,458.05x = 3,686.00 × 726.27
4. Step 4: Simplify right side
   2,458.05x = 2,677,027.59
5. Step 5: Solve for x
   x = 2,677,027.59/2,458.05
6. Step 6: Final answer
   x = 1,089.09