Finding the Fourth Proportional to 2,300.64, 3,174.96 and 1,252.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.64 : 3,174.96 = 1,252.74 : x
2. Step 2: Convert to fraction form
   2,300.64/3,174.96 = 1,252.74/x
3. Step 3: Cross multiply
   2,300.64x = 3,174.96 × 1,252.74
4. Step 4: Simplify right side
   2,300.64x = 3,977,399.39
5. Step 5: Solve for x
   x = 3,977,399.39/2,300.64
6. Step 6: Final answer
   x = 1,728.82