Finding the Fourth Proportional to 2,974.72, 4,105.06 and 1,648.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,974.72 : 4,105.06 = 1,648.24 : x
2. Step 2: Convert to fraction form
   2,974.72/4,105.06 = 1,648.24/x
3. Step 3: Cross multiply
   2,974.72x = 4,105.06 × 1,648.24
4. Step 4: Simplify right side
   2,974.72x = 6,766,124.09
5. Step 5: Solve for x
   x = 6,766,124.09/2,974.72
6. Step 6: Final answer
   x = 2,274.54