Finding the Fourth Proportional to 16,776.71, 25,172.25 and 5,684.57

Step by Step Solution

1. Step 1: Write the proportion equation
   16,776.71 : 25,172.25 = 5,684.57 : x
2. Step 2: Convert to fraction form
   16,776.71/25,172.25 = 5,684.57/x
3. Step 3: Cross multiply
   16,776.71x = 25,172.25 × 5,684.57
4. Step 4: Simplify right side
   16,776.71x = 143,093,417.18
5. Step 5: Solve for x
   x = 143,093,417.18/16,776.71
6. Step 6: Final answer
   x = 8,529.29