Finding the Fourth Proportional to 1,839.33, 2,759.51 and 744.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,839.33 : 2,759.51 = 744.47 : x
2. Step 2: Convert to fraction form
   1,839.33/2,759.51 = 744.47/x
3. Step 3: Cross multiply
   1,839.33x = 2,759.51 × 744.47
4. Step 4: Simplify right side
   1,839.33x = 2,054,354.89
5. Step 5: Solve for x
   x = 2,054,354.89/1,839.33
6. Step 6: Final answer
   x = 1,116.90