Finding the Fourth Proportional to 16,868.94, 25,296.18 and 5,776.74

Step by Step Solution

1. Step 1: Write the proportion equation
   16,868.94 : 25,296.18 = 5,776.74 : x
2. Step 2: Convert to fraction form
   16,868.94/25,296.18 = 5,776.74/x
3. Step 3: Cross multiply
   16,868.94x = 25,296.18 × 5,776.74
4. Step 4: Simplify right side
   16,868.94x = 146,129,454.85
5. Step 5: Solve for x
   x = 146,129,454.85/16,868.94
6. Step 6: Final answer
   x = 8,662.63