Finding the Fourth Proportional to 10,874.72, 16,319.39 and 3,854.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,874.72 : 16,319.39 = 3,854.71 : x
2. Step 2: Convert to fraction form
   10,874.72/16,319.39 = 3,854.71/x
3. Step 3: Cross multiply
   10,874.72x = 16,319.39 × 3,854.71
4. Step 4: Simplify right side
   10,874.72x = 62,906,515.83
5. Step 5: Solve for x
   x = 62,906,515.83/10,874.72
6. Step 6: Final answer
   x = 5,784.66