Finding the Fourth Proportional to 2,660.25, 3,672.06 and 1,612.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,660.25 : 3,672.06 = 1,612.31 : x
2. Step 2: Convert to fraction form
   2,660.25/3,672.06 = 1,612.31/x
3. Step 3: Cross multiply
   2,660.25x = 3,672.06 × 1,612.31
4. Step 4: Simplify right side
   2,660.25x = 5,920,508.24
5. Step 5: Solve for x
   x = 5,920,508.24/2,660.25
6. Step 6: Final answer
   x = 2,225.55