Finding the Fourth Proportional to 1,612.43, 2,208.47 and 1,517.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,612.43 : 2,208.47 = 1,517.86 : x
2. Step 2: Convert to fraction form
   1,612.43/2,208.47 = 1,517.86/x
3. Step 3: Cross multiply
   1,612.43x = 2,208.47 × 1,517.86
4. Step 4: Simplify right side
   1,612.43x = 3,352,143.45
5. Step 5: Solve for x
   x = 3,352,143.45/1,612.43
6. Step 6: Final answer
   x = 2,078.94