Finding the Fourth Proportional to 2,132.72, 2,943.95 and 1,248.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,132.72 : 2,943.95 = 1,248.81 : x
2. Step 2: Convert to fraction form
   2,132.72/2,943.95 = 1,248.81/x
3. Step 3: Cross multiply
   2,132.72x = 2,943.95 × 1,248.81
4. Step 4: Simplify right side
   2,132.72x = 3,676,422.60
5. Step 5: Solve for x
   x = 3,676,422.60/2,132.72
6. Step 6: Final answer
   x = 1,723.82