Finding the Fourth Proportional to 1,972.27, 2,956.81 and 738.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,972.27 : 2,956.81 = 738.99 : x
2. Step 2: Convert to fraction form
   1,972.27/2,956.81 = 738.99/x
3. Step 3: Cross multiply
   1,972.27x = 2,956.81 × 738.99
4. Step 4: Simplify right side
   1,972.27x = 2,185,053.02
5. Step 5: Solve for x
   x = 2,185,053.02/1,972.27
6. Step 6: Final answer
   x = 1,107.89