Finding the Fourth Proportional to 2,196.27, 3,031.13 and 1,252.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.27 : 3,031.13 = 1,252.40 : x
2. Step 2: Convert to fraction form
   2,196.27/3,031.13 = 1,252.40/x
3. Step 3: Cross multiply
   2,196.27x = 3,031.13 × 1,252.40
4. Step 4: Simplify right side
   2,196.27x = 3,796,187.21
5. Step 5: Solve for x
   x = 3,796,187.21/2,196.27
6. Step 6: Final answer
   x = 1,728.47