Finding the Fourth Proportional to 11,016.27, 16,492.95 and 7,311.12

Step by Step Solution

1. Step 1: Write the proportion equation
   11,016.27 : 16,492.95 = 7,311.12 : x
2. Step 2: Convert to fraction form
   11,016.27/16,492.95 = 7,311.12/x
3. Step 3: Cross multiply
   11,016.27x = 16,492.95 × 7,311.12
4. Step 4: Simplify right side
   11,016.27x = 120,581,936.60
5. Step 5: Solve for x
   x = 120,581,936.60/11,016.27
6. Step 6: Final answer
   x = 10,945.80