Finding the Fourth Proportional to 2,298.89, 3,172.47 and 1,250.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298.89 : 3,172.47 = 1,250.96 : x
2. Step 2: Convert to fraction form
   2,298.89/3,172.47 = 1,250.96/x
3. Step 3: Cross multiply
   2,298.89x = 3,172.47 × 1,250.96
4. Step 4: Simplify right side
   2,298.89x = 3,968,633.07
5. Step 5: Solve for x
   x = 3,968,633.07/2,298.89
6. Step 6: Final answer
   x = 1,726.33