Finding the Fourth Proportional to 3,655.08, 5,043.78 and 2,061.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,655.08 : 5,043.78 = 2,061.72 : x
2. Step 2: Convert to fraction form
   3,655.08/5,043.78 = 2,061.72/x
3. Step 3: Cross multiply
   3,655.08x = 5,043.78 × 2,061.72
4. Step 4: Simplify right side
   3,655.08x = 10,398,862.10
5. Step 5: Solve for x
   x = 10,398,862.10/3,655.08
6. Step 6: Final answer
   x = 2,845.04