Finding the Fourth Proportional to 3,642.10, 5,025.60 and 2,149.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,642.10 : 5,025.60 = 2,149.48 : x
2. Step 2: Convert to fraction form
   3,642.10/5,025.60 = 2,149.48/x
3. Step 3: Cross multiply
   3,642.10x = 5,025.60 × 2,149.48
4. Step 4: Simplify right side
   3,642.10x = 10,802,426.69
5. Step 5: Solve for x
   x = 10,802,426.69/3,642.10
6. Step 6: Final answer
   x = 2,965.99