Finding the Fourth Proportional to 2,111.88, 3,168.45 and 1,744.95

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.88 : 3,168.45 = 1,744.95 : x
2. Step 2: Convert to fraction form
   2,111.88/3,168.45 = 1,744.95/x
3. Step 3: Cross multiply
   2,111.88x = 3,168.45 × 1,744.95
4. Step 4: Simplify right side
   2,111.88x = 5,528,786.83
5. Step 5: Solve for x
   x = 5,528,786.83/2,111.88
6. Step 6: Final answer
   x = 2,617.95