Finding the Fourth Proportional to 3,726.47, 5,142.56 and 2,047.95

Step by Step Solution

1. Step 1: Write the proportion equation
   3,726.47 : 5,142.56 = 2,047.95 : x
2. Step 2: Convert to fraction form
   3,726.47/5,142.56 = 2,047.95/x
3. Step 3: Cross multiply
   3,726.47x = 5,142.56 × 2,047.95
4. Step 4: Simplify right side
   3,726.47x = 10,531,695.51
5. Step 5: Solve for x
   x = 10,531,695.51/3,726.47
6. Step 6: Final answer
   x = 2,826.18