Finding the Fourth Proportional to 2,255.41, 3,111.96 and 1,619.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,255.41 : 3,111.96 = 1,619.35 : x
2. Step 2: Convert to fraction form
   2,255.41/3,111.96 = 1,619.35/x
3. Step 3: Cross multiply
   2,255.41x = 3,111.96 × 1,619.35
4. Step 4: Simplify right side
   2,255.41x = 5,039,352.43
5. Step 5: Solve for x
   x = 5,039,352.43/2,255.41
6. Step 6: Final answer
   x = 2,234.34