Finding the Fourth Proportional to 16,218.38, 24,288.38 and 7,877.81

Step by Step Solution

1. Step 1: Write the proportion equation
   16,218.38 : 24,288.38 = 7,877.81 : x
2. Step 2: Convert to fraction form
   16,218.38/24,288.38 = 7,877.81/x
3. Step 3: Cross multiply
   16,218.38x = 24,288.38 × 7,877.81
4. Step 4: Simplify right side
   16,218.38x = 191,339,082.02
5. Step 5: Solve for x
   x = 191,339,082.02/16,218.38
6. Step 6: Final answer
   x = 11,797.67