Finding the Fourth Proportional to 1,333.92, 1,840.86 and 744.60

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333.92 : 1,840.86 = 744.60 : x
2. Step 2: Convert to fraction form
   1,333.92/1,840.86 = 744.60/x
3. Step 3: Cross multiply
   1,333.92x = 1,840.86 × 744.60
4. Step 4: Simplify right side
   1,333.92x = 1,370,704.36
5. Step 5: Solve for x
   x = 1,370,704.36/1,333.92
6. Step 6: Final answer
   x = 1,027.58