Finding the Fourth Proportional to 2,298.59, 3,172.10 and 1,250.66

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298.59 : 3,172.10 = 1,250.66 : x
2. Step 2: Convert to fraction form
   2,298.59/3,172.10 = 1,250.66/x
3. Step 3: Cross multiply
   2,298.59x = 3,172.10 × 1,250.66
4. Step 4: Simplify right side
   2,298.59x = 3,967,218.59
5. Step 5: Solve for x
   x = 3,967,218.59/2,298.59
6. Step 6: Final answer
   x = 1,725.94