Finding the Fourth Proportional to 10,983.92, 16,477.53 and 3,191.72

Step by Step Solution

1. Step 1: Write the proportion equation
   10,983.92 : 16,477.53 = 3,191.72 : x
2. Step 2: Convert to fraction form
   10,983.92/16,477.53 = 3,191.72/x
3. Step 3: Cross multiply
   10,983.92x = 16,477.53 × 3,191.72
4. Step 4: Simplify right side
   10,983.92x = 52,591,662.05
5. Step 5: Solve for x
   x = 52,591,662.05/10,983.92
6. Step 6: Final answer
   x = 4,788.06