Finding the Fourth Proportional to 2,132.48, 2,942.82 and 1,248.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,132.48 : 2,942.82 = 1,248.45 : x
2. Step 2: Convert to fraction form
   2,132.48/2,942.82 = 1,248.45/x
3. Step 3: Cross multiply
   2,132.48x = 2,942.82 × 1,248.45
4. Step 4: Simplify right side
   2,132.48x = 3,673,950.03
5. Step 5: Solve for x
   x = 3,673,950.03/2,132.48
6. Step 6: Final answer
   x = 1,722.86