Finding the Fourth Proportional to 2,300.67, 3,174.93 and 1,252.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.67 : 3,174.93 = 1,252.80 : x
2. Step 2: Convert to fraction form
   2,300.67/3,174.93 = 1,252.80/x
3. Step 3: Cross multiply
   2,300.67x = 3,174.93 × 1,252.80
4. Step 4: Simplify right side
   2,300.67x = 3,977,552.30
5. Step 5: Solve for x
   x = 3,977,552.30/2,300.67
6. Step 6: Final answer
   x = 1,728.87