Finding the Fourth Proportional to 1,616.29, 2,422.27 and 738.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,616.29 : 2,422.27 = 738.88 : x
2. Step 2: Convert to fraction form
   1,616.29/2,422.27 = 738.88/x
3. Step 3: Cross multiply
   1,616.29x = 2,422.27 × 738.88
4. Step 4: Simplify right side
   1,616.29x = 1,789,766.86
5. Step 5: Solve for x
   x = 1,789,766.86/1,616.29
6. Step 6: Final answer
   x = 1,107.33