Finding the Fourth Proportional to 2,247.52, 3,101.40 and 1,252.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,247.52 : 3,101.40 = 1,252.72 : x
2. Step 2: Convert to fraction form
   2,247.52/3,101.40 = 1,252.72/x
3. Step 3: Cross multiply
   2,247.52x = 3,101.40 × 1,252.72
4. Step 4: Simplify right side
   2,247.52x = 3,885,185.81
5. Step 5: Solve for x
   x = 3,885,185.81/2,247.52
6. Step 6: Final answer
   x = 1,728.65