Finding the Fourth Proportional to 2,921.10, 4,022.34 and 2,498.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,921.10 : 4,022.34 = 2,498.28 : x
2. Step 2: Convert to fraction form
   2,921.10/4,022.34 = 2,498.28/x
3. Step 3: Cross multiply
   2,921.10x = 4,022.34 × 2,498.28
4. Step 4: Simplify right side
   2,921.10x = 10,048,931.58
5. Step 5: Solve for x
   x = 10,048,931.58/2,921.10
6. Step 6: Final answer
   x = 3,440.12