Finding the Fourth Proportional to 10,868.08, 16,300.20 and 3,074.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,868.08 : 16,300.20 = 3,074.80 : x
2. Step 2: Convert to fraction form
   10,868.08/16,300.20 = 3,074.80/x
3. Step 3: Cross multiply
   10,868.08x = 16,300.20 × 3,074.80
4. Step 4: Simplify right side
   10,868.08x = 50,119,854.96
5. Step 5: Solve for x
   x = 50,119,854.96/10,868.08
6. Step 6: Final answer
   x = 4,611.66