Finding the Fourth Proportional to 2,168.88, 3,254.52 and 1,074.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,168.88 : 3,254.52 = 1,074.16 : x
2. Step 2: Convert to fraction form
   2,168.88/3,254.52 = 1,074.16/x
3. Step 3: Cross multiply
   2,168.88x = 3,254.52 × 1,074.16
4. Step 4: Simplify right side
   2,168.88x = 3,495,875.20
5. Step 5: Solve for x
   x = 3,495,875.20/2,168.88
6. Step 6: Final answer
   x = 1,611.83