Finding the Fourth Proportional to 1,333.96, 1,840.78 and 744.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333.96 : 1,840.78 = 744.50 : x
2. Step 2: Convert to fraction form
   1,333.96/1,840.78 = 744.50/x
3. Step 3: Cross multiply
   1,333.96x = 1,840.78 × 744.50
4. Step 4: Simplify right side
   1,333.96x = 1,370,460.71
5. Step 5: Solve for x
   x = 1,370,460.71/1,333.96
6. Step 6: Final answer
   x = 1,027.36