Finding the Fourth Proportional to 2,119.05, 2,921.94 and 1,734.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,119.05 : 2,921.94 = 1,734.60 : x
2. Step 2: Convert to fraction form
   2,119.05/2,921.94 = 1,734.60/x
3. Step 3: Cross multiply
   2,119.05x = 2,921.94 × 1,734.60
4. Step 4: Simplify right side
   2,119.05x = 5,068,397.12
5. Step 5: Solve for x
   x = 5,068,397.12/2,119.05
6. Step 6: Final answer
   x = 2,391.83