Finding the Fourth Proportional to 2,132.77, 2,943.29 and 1,248.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,132.77 : 2,943.29 = 1,248.49 : x
2. Step 2: Convert to fraction form
   2,132.77/2,943.29 = 1,248.49/x
3. Step 3: Cross multiply
   2,132.77x = 2,943.29 × 1,248.49
4. Step 4: Simplify right side
   2,132.77x = 3,674,661.89
5. Step 5: Solve for x
   x = 3,674,661.89/2,132.77
6. Step 6: Final answer
   x = 1,722.95