Finding the Fourth Proportional to 2,722.94, 4,082.86 and 2,490.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,722.94 : 4,082.86 = 2,490.74 : x
2. Step 2: Convert to fraction form
   2,722.94/4,082.86 = 2,490.74/x
3. Step 3: Cross multiply
   2,722.94x = 4,082.86 × 2,490.74
4. Step 4: Simplify right side
   2,722.94x = 10,169,342.72
5. Step 5: Solve for x
   x = 10,169,342.72/2,722.94
6. Step 6: Final answer
   x = 3,734.69