Finding the Fourth Proportional to 3,726.36, 5,142.18 and 2,047.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,726.36 : 5,142.18 = 2,047.98 : x
2. Step 2: Convert to fraction form
   3,726.36/5,142.18 = 2,047.98/x
3. Step 3: Cross multiply
   3,726.36x = 5,142.18 × 2,047.98
4. Step 4: Simplify right side
   3,726.36x = 10,531,081.80
5. Step 5: Solve for x
   x = 10,531,081.80/3,726.36
6. Step 6: Final answer
   x = 2,826.10