Finding the Fourth Proportional to 1,333.60, 1,840.24 and 744.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,333.60 : 1,840.24 = 744.12 : x
2. Step 2: Convert to fraction form
   1,333.60/1,840.24 = 744.12/x
3. Step 3: Cross multiply
   1,333.60x = 1,840.24 × 744.12
4. Step 4: Simplify right side
   1,333.60x = 1,369,357.53
5. Step 5: Solve for x
   x = 1,369,357.53/1,333.60
6. Step 6: Final answer
   x = 1,026.81