Finding the Fourth Proportional to 1,333.31, 1,839.53 and 743.73

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333.31 : 1,839.53 = 743.73 : x
2. Step 2: Convert to fraction form
   1,333.31/1,839.53 = 743.73/x
3. Step 3: Cross multiply
   1,333.31x = 1,839.53 × 743.73
4. Step 4: Simplify right side
   1,333.31x = 1,368,108.61
5. Step 5: Solve for x
   x = 1,368,108.61/1,333.31
6. Step 6: Final answer
   x = 1,026.10