Finding the Fourth Proportional to 1,981.98, 2,734.43 and 1,235.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,981.98 : 2,734.43 = 1,235.33 : x
2. Step 2: Convert to fraction form
   1,981.98/2,734.43 = 1,235.33/x
3. Step 3: Cross multiply
   1,981.98x = 2,734.43 × 1,235.33
4. Step 4: Simplify right side
   1,981.98x = 3,377,923.41
5. Step 5: Solve for x
   x = 3,377,923.41/1,981.98
6. Step 6: Final answer
   x = 1,704.32