Finding the Fourth Proportional to 3,726.54, 5,141.89 and 2,400.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,726.54 : 5,141.89 = 2,400.05 : x
2. Step 2: Convert to fraction form
   3,726.54/5,141.89 = 2,400.05/x
3. Step 3: Cross multiply
   3,726.54x = 5,141.89 × 2,400.05
4. Step 4: Simplify right side
   3,726.54x = 12,340,793.09
5. Step 5: Solve for x
   x = 12,340,793.09/3,726.54
6. Step 6: Final answer
   x = 3,311.60