Finding the Fourth Proportional to 2,128.48, 2,936.82 and 1,244.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128.48 : 2,936.82 = 1,244.41 : x
2. Step 2: Convert to fraction form
   2,128.48/2,936.82 = 1,244.41/x
3. Step 3: Cross multiply
   2,128.48x = 2,936.82 × 1,244.41
4. Step 4: Simplify right side
   2,128.48x = 3,654,608.18
5. Step 5: Solve for x
   x = 3,654,608.18/2,128.48
6. Step 6: Final answer
   x = 1,717.00