Finding the Fourth Proportional to 1,333.90, 1,840.70 and 744.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333.90 : 1,840.70 = 744.48 : x
2. Step 2: Convert to fraction form
   1,333.90/1,840.70 = 744.48/x
3. Step 3: Cross multiply
   1,333.90x = 1,840.70 × 744.48
4. Step 4: Simplify right side
   1,333.90x = 1,370,364.34
5. Step 5: Solve for x
   x = 1,370,364.34/1,333.90
6. Step 6: Final answer
   x = 1,027.34