Finding the Fourth Proportional to 9,311.96, 13,967.22 and 3,072.17

Step by Step Solution

1. Step 1: Write the proportion equation
   9,311.96 : 13,967.22 = 3,072.17 : x
2. Step 2: Convert to fraction form
   9,311.96/13,967.22 = 3,072.17/x
3. Step 3: Cross multiply
   9,311.96x = 13,967.22 × 3,072.17
4. Step 4: Simplify right side
   9,311.96x = 42,909,674.27
5. Step 5: Solve for x
   x = 42,909,674.27/9,311.96
6. Step 6: Final answer
   x = 4,608.02