Finding the Fourth Proportional to 11,719.70, 16,168.56 and 7,235.67

Step by Step Solution

1. Step 1: Write the proportion equation
   11,719.70 : 16,168.56 = 7,235.67 : x
2. Step 2: Convert to fraction form
   11,719.70/16,168.56 = 7,235.67/x
3. Step 3: Cross multiply
   11,719.70x = 16,168.56 × 7,235.67
4. Step 4: Simplify right side
   11,719.70x = 116,990,364.54
5. Step 5: Solve for x
   x = 116,990,364.54/11,719.70
6. Step 6: Final answer
   x = 9,982.37