Finding the Fourth Proportional to 2,043.72, 3,065.56 and 744.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,043.72 : 3,065.56 = 744.64 : x
2. Step 2: Convert to fraction form
   2,043.72/3,065.56 = 744.64/x
3. Step 3: Cross multiply
   2,043.72x = 3,065.56 × 744.64
4. Step 4: Simplify right side
   2,043.72x = 2,282,738.60
5. Step 5: Solve for x
   x = 2,282,738.60/2,043.72
6. Step 6: Final answer
   x = 1,116.95