Finding the Fourth Proportional to 1,616.88, 2,423.42 and 1,599.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,616.88 : 2,423.42 = 1,599.56 : x
2. Step 2: Convert to fraction form
   1,616.88/2,423.42 = 1,599.56/x
3. Step 3: Cross multiply
   1,616.88x = 2,423.42 × 1,599.56
4. Step 4: Simplify right side
   1,616.88x = 3,876,414.30
5. Step 5: Solve for x
   x = 3,876,414.30/1,616.88
6. Step 6: Final answer
   x = 2,397.47