Finding the Fourth Proportional to 2,298.06, 3,171.42 and 1,250.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,298.06 : 3,171.42 = 1,250.12 : x
2. Step 2: Convert to fraction form
   2,298.06/3,171.42 = 1,250.12/x
3. Step 3: Cross multiply
   2,298.06x = 3,171.42 × 1,250.12
4. Step 4: Simplify right side
   2,298.06x = 3,964,663.50
5. Step 5: Solve for x
   x = 3,964,663.50/2,298.06
6. Step 6: Final answer
   x = 1,725.22