Finding the Fourth Proportional to 2,245.28, 3,098.30 and 1,250.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,245.28 : 3,098.30 = 1,250.79 : x
2. Step 2: Convert to fraction form
   2,245.28/3,098.30 = 1,250.79/x
3. Step 3: Cross multiply
   2,245.28x = 3,098.30 × 1,250.79
4. Step 4: Simplify right side
   2,245.28x = 3,875,316.40
5. Step 5: Solve for x
   x = 3,875,316.40/2,245.28
6. Step 6: Final answer
   x = 1,725.99