Finding the Fourth Proportional to 1,839.30, 2,759.82 and 744.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,839.30 : 2,759.82 = 744.42 : x
2. Step 2: Convert to fraction form
   1,839.30/2,759.82 = 744.42/x
3. Step 3: Cross multiply
   1,839.30x = 2,759.82 × 744.42
4. Step 4: Simplify right side
   1,839.30x = 2,054,465.20
5. Step 5: Solve for x
   x = 2,054,465.20/1,839.30
6. Step 6: Final answer
   x = 1,116.98