Finding the Fourth Proportional to 10,863.86, 16,298.52 and 3,072.67

Step by Step Solution

1. Step 1: Write the proportion equation
   10,863.86 : 16,298.52 = 3,072.67 : x
2. Step 2: Convert to fraction form
   10,863.86/16,298.52 = 3,072.67/x
3. Step 3: Cross multiply
   10,863.86x = 16,298.52 × 3,072.67
4. Step 4: Simplify right side
   10,863.86x = 50,079,973.45
5. Step 5: Solve for x
   x = 50,079,973.45/10,863.86
6. Step 6: Final answer
   x = 4,609.78