Finding the Fourth Proportional to 16,338.24, 24,518.34 and 16,278.12

Step by Step Solution

1. Step 1: Write the proportion equation
   16,338.24 : 24,518.34 = 16,278.12 : x
2. Step 2: Convert to fraction form
   16,338.24/24,518.34 = 16,278.12/x
3. Step 3: Cross multiply
   16,338.24x = 24,518.34 × 16,278.12
4. Step 4: Simplify right side
   16,338.24x = 399,112,480.72
5. Step 5: Solve for x
   x = 399,112,480.72/16,338.24
6. Step 6: Final answer
   x = 24,428.12