Finding the Fourth Proportional to 1,333.40, 1,840.07 and 743.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333.40 : 1,840.07 = 743.92 : x
2. Step 2: Convert to fraction form
   1,333.40/1,840.07 = 743.92/x
3. Step 3: Cross multiply
   1,333.40x = 1,840.07 × 743.92
4. Step 4: Simplify right side
   1,333.40x = 1,368,851.95
5. Step 5: Solve for x
   x = 1,368,851.95/1,333.40
6. Step 6: Final answer
   x = 1,026.59