Finding the Fourth Proportional to 3,726.83, 5,142.47 and 2,048.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,726.83 : 5,142.47 = 2,048.31 : x
2. Step 2: Convert to fraction form
   3,726.83/5,142.47 = 2,048.31/x
3. Step 3: Cross multiply
   3,726.83x = 5,142.47 × 2,048.31
4. Step 4: Simplify right side
   3,726.83x = 10,533,362.48
5. Step 5: Solve for x
   x = 10,533,362.48/3,726.83
6. Step 6: Final answer
   x = 2,826.36