Finding the Fourth Proportional to 2,298.83, 3,172.41 and 1,250.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298.83 : 3,172.41 = 1,250.90 : x
2. Step 2: Convert to fraction form
   2,298.83/3,172.41 = 1,250.90/x
3. Step 3: Cross multiply
   2,298.83x = 3,172.41 × 1,250.90
4. Step 4: Simplify right side
   2,298.83x = 3,968,367.67
5. Step 5: Solve for x
   x = 3,968,367.67/2,298.83
6. Step 6: Final answer
   x = 1,726.26