Finding the Fourth Proportional to 2,247.69, 3,101.72 and 1,252.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,247.69 : 3,101.72 = 1,252.88 : x
2. Step 2: Convert to fraction form
   2,247.69/3,101.72 = 1,252.88/x
3. Step 3: Cross multiply
   2,247.69x = 3,101.72 × 1,252.88
4. Step 4: Simplify right side
   2,247.69x = 3,886,082.95
5. Step 5: Solve for x
   x = 3,886,082.95/2,247.69
6. Step 6: Final answer
   x = 1,728.92