Finding the Fourth Proportional to 2,300.57, 3,174.81 and 1,252.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.57 : 3,174.81 = 1,252.63 : x
2. Step 2: Convert to fraction form
   2,300.57/3,174.81 = 1,252.63/x
3. Step 3: Cross multiply
   2,300.57x = 3,174.81 × 1,252.63
4. Step 4: Simplify right side
   2,300.57x = 3,976,862.25
5. Step 5: Solve for x
   x = 3,976,862.25/2,300.57
6. Step 6: Final answer
   x = 1,728.64