Finding the Fourth Proportional to 2,300.90, 3,175.27 and 1,252.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.90 : 3,175.27 = 1,252.98 : x
2. Step 2: Convert to fraction form
   2,300.90/3,175.27 = 1,252.98/x
3. Step 3: Cross multiply
   2,300.90x = 3,175.27 × 1,252.98
4. Step 4: Simplify right side
   2,300.90x = 3,978,546.67
5. Step 5: Solve for x
   x = 3,978,546.67/2,300.90
6. Step 6: Final answer
   x = 1,729.13