Finding the Fourth Proportional to 1,612.94, 2,414.18 and 871.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,612.94 : 2,414.18 = 871.52 : x
2. Step 2: Convert to fraction form
   1,612.94/2,414.18 = 871.52/x
3. Step 3: Cross multiply
   1,612.94x = 2,414.18 × 871.52
4. Step 4: Simplify right side
   1,612.94x = 2,104,006.15
5. Step 5: Solve for x
   x = 2,104,006.15/1,612.94
6. Step 6: Final answer
   x = 1,304.45