Finding the Fourth Proportional to 10,874.64, 16,310.18 and 3,081.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,874.64 : 16,310.18 = 3,081.62 : x
2. Step 2: Convert to fraction form
   10,874.64/16,310.18 = 3,081.62/x
3. Step 3: Cross multiply
   10,874.64x = 16,310.18 × 3,081.62
4. Step 4: Simplify right side
   10,874.64x = 50,261,776.89
5. Step 5: Solve for x
   x = 50,261,776.89/10,874.64
6. Step 6: Final answer
   x = 4,621.93