Finding the Fourth Proportional to 1,616.47, 2,423.93 and 738.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,616.47 : 2,423.93 = 738.71 : x
2. Step 2: Convert to fraction form
   1,616.47/2,423.93 = 738.71/x
3. Step 3: Cross multiply
   1,616.47x = 2,423.93 × 738.71
4. Step 4: Simplify right side
   1,616.47x = 1,790,581.33
5. Step 5: Solve for x
   x = 1,790,581.33/1,616.47
6. Step 6: Final answer
   x = 1,107.71