Finding the Fourth Proportional to 3,726.67, 5,142.78 and 2,048.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,726.67 : 5,142.78 = 2,048.10 : x
2. Step 2: Convert to fraction form
   3,726.67/5,142.78 = 2,048.10/x
3. Step 3: Cross multiply
   3,726.67x = 5,142.78 × 2,048.10
4. Step 4: Simplify right side
   3,726.67x = 10,532,927.72
5. Step 5: Solve for x
   x = 10,532,927.72/3,726.67
6. Step 6: Final answer
   x = 2,826.36