Finding the Fourth Proportional to 2,007.96, 2,772.54 and 1,616.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.96 : 2,772.54 = 1,616.82 : x
2. Step 2: Convert to fraction form
   2,007.96/2,772.54 = 1,616.82/x
3. Step 3: Cross multiply
   2,007.96x = 2,772.54 × 1,616.82
4. Step 4: Simplify right side
   2,007.96x = 4,482,698.12
5. Step 5: Solve for x
   x = 4,482,698.12/2,007.96
6. Step 6: Final answer
   x = 2,232.46