Finding the Fourth Proportional to 16,002.39, 22,082.83 and 9,288.57

Step by Step Solution

1. Step 1: Write the proportion equation
   16,002.39 : 22,082.83 = 9,288.57 : x
2. Step 2: Convert to fraction form
   16,002.39/22,082.83 = 9,288.57/x
3. Step 3: Cross multiply
   16,002.39x = 22,082.83 × 9,288.57
4. Step 4: Simplify right side
   16,002.39x = 205,117,912.25
5. Step 5: Solve for x
   x = 205,117,912.25/16,002.39
6. Step 6: Final answer
   x = 12,817.95