Finding the Fourth Proportional to 2,300.55, 3,174.72 and 1,252.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.55 : 3,174.72 = 1,252.61 : x
2. Step 2: Convert to fraction form
   2,300.55/3,174.72 = 1,252.61/x
3. Step 3: Cross multiply
   2,300.55x = 3,174.72 × 1,252.61
4. Step 4: Simplify right side
   2,300.55x = 3,976,670.15
5. Step 5: Solve for x
   x = 3,976,670.15/2,300.55
6. Step 6: Final answer
   x = 1,728.57