Finding the Fourth Proportional to 1,976.57, 2,964.24 and 744.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,976.57 : 2,964.24 = 744.15 : x
2. Step 2: Convert to fraction form
   1,976.57/2,964.24 = 744.15/x
3. Step 3: Cross multiply
   1,976.57x = 2,964.24 × 744.15
4. Step 4: Simplify right side
   1,976.57x = 2,205,839.20
5. Step 5: Solve for x
   x = 2,205,839.20/1,976.57
6. Step 6: Final answer
   x = 1,115.99