Finding the Fourth Proportional to 2,622.69, 3,616.32 and 1,677.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,622.69 : 3,616.32 = 1,677.24 : x
2. Step 2: Convert to fraction form
   2,622.69/3,616.32 = 1,677.24/x
3. Step 3: Cross multiply
   2,622.69x = 3,616.32 × 1,677.24
4. Step 4: Simplify right side
   2,622.69x = 6,065,436.56
5. Step 5: Solve for x
   x = 6,065,436.56/2,622.69
6. Step 6: Final answer
   x = 2,312.68