Finding the Fourth Proportional to 2,196.97, 3,031.90 and 1,252.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.97 : 3,031.90 = 1,252.61 : x
2. Step 2: Convert to fraction form
   2,196.97/3,031.90 = 1,252.61/x
3. Step 3: Cross multiply
   2,196.97x = 3,031.90 × 1,252.61
4. Step 4: Simplify right side
   2,196.97x = 3,797,799.75
5. Step 5: Solve for x
   x = 3,797,799.75/2,196.97
6. Step 6: Final answer
   x = 1,728.65