Finding the Fourth Proportional to 2,298.64, 3,172.17 and 1,250.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298.64 : 3,172.17 = 1,250.77 : x
2. Step 2: Convert to fraction form
   2,298.64/3,172.17 = 1,250.77/x
3. Step 3: Cross multiply
   2,298.64x = 3,172.17 × 1,250.77
4. Step 4: Simplify right side
   2,298.64x = 3,967,655.07
5. Step 5: Solve for x
   x = 3,967,655.07/2,298.64
6. Step 6: Final answer
   x = 1,726.09