Finding the Fourth Proportional to 2,132.72, 2,943.16 and 1,248.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,132.72 : 2,943.16 = 1,248.36 : x
2. Step 2: Convert to fraction form
   2,132.72/2,943.16 = 1,248.36/x
3. Step 3: Cross multiply
   2,132.72x = 2,943.16 × 1,248.36
4. Step 4: Simplify right side
   2,132.72x = 3,674,123.22
5. Step 5: Solve for x
   x = 3,674,123.22/2,132.72
6. Step 6: Final answer
   x = 1,722.74