Finding the Fourth Proportional to 1,496.33, 2,064.55 and 998.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,496.33 : 2,064.55 = 998.63 : x
2. Step 2: Convert to fraction form
   1,496.33/2,064.55 = 998.63/x
3. Step 3: Cross multiply
   1,496.33x = 2,064.55 × 998.63
4. Step 4: Simplify right side
   1,496.33x = 2,061,721.57
5. Step 5: Solve for x
   x = 2,061,721.57/1,496.33
6. Step 6: Final answer
   x = 1,377.85