Finding the Fourth Proportional to 3,098.96, 4,648.54 and 1,123.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,098.96 : 4,648.54 = 1,123.59 : x
2. Step 2: Convert to fraction form
   3,098.96/4,648.54 = 1,123.59/x
3. Step 3: Cross multiply
   3,098.96x = 4,648.54 × 1,123.59
4. Step 4: Simplify right side
   3,098.96x = 5,223,053.06
5. Step 5: Solve for x
   x = 5,223,053.06/3,098.96
6. Step 6: Final answer
   x = 1,685.42