Finding the Fourth Proportional to 2,109.24, 2,907.90 and 1,734.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109.24 : 2,907.90 = 1,734.48 : x
2. Step 2: Convert to fraction form
   2,109.24/2,907.90 = 1,734.48/x
3. Step 3: Cross multiply
   2,109.24x = 2,907.90 × 1,734.48
4. Step 4: Simplify right side
   2,109.24x = 5,043,694.39
5. Step 5: Solve for x
   x = 5,043,694.39/2,109.24
6. Step 6: Final answer
   x = 2,391.24