Finding the Fourth Proportional to 2,132.76, 2,942.82 and 1,248.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,132.76 : 2,942.82 = 1,248.36 : x
2. Step 2: Convert to fraction form
   2,132.76/2,942.82 = 1,248.36/x
3. Step 3: Cross multiply
   2,132.76x = 2,942.82 × 1,248.36
4. Step 4: Simplify right side
   2,132.76x = 3,673,698.78
5. Step 5: Solve for x
   x = 3,673,698.78/2,132.76
6. Step 6: Final answer
   x = 1,722.51