Finding the Fourth Proportional to 2,181.57, 3,010.64 and 1,250.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,181.57 : 3,010.64 = 1,250.25 : x
2. Step 2: Convert to fraction form
   2,181.57/3,010.64 = 1,250.25/x
3. Step 3: Cross multiply
   2,181.57x = 3,010.64 × 1,250.25
4. Step 4: Simplify right side
   2,181.57x = 3,764,042.15
5. Step 5: Solve for x
   x = 3,764,042.15/2,181.57
6. Step 6: Final answer
   x = 1,725.39