Finding the Fourth Proportional to 2,132.82, 2,942.15 and 1,248.66

Step by Step Solution

1. Step 1: Write the proportion equation
   2,132.82 : 2,942.15 = 1,248.66 : x
2. Step 2: Convert to fraction form
   2,132.82/2,942.15 = 1,248.66/x
3. Step 3: Cross multiply
   2,132.82x = 2,942.15 × 1,248.66
4. Step 4: Simplify right side
   2,132.82x = 3,673,738.78
5. Step 5: Solve for x
   x = 3,673,738.78/2,132.82
6. Step 6: Final answer
   x = 1,722.48