Finding the Fourth Proportional to 16,635, 24,947.12 and 5,538.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,635 : 24,947.12 = 5,538.72 : x
2. Step 2: Convert to fraction form
   16,635/24,947.12 = 5,538.72/x
3. Step 3: Cross multiply
   16,635x = 24,947.12 × 5,538.72
4. Step 4: Simplify right side
   16,635x = 138,175,112.49
5. Step 5: Solve for x
   x = 138,175,112.49/16,635
6. Step 6: Final answer
   x = 8,306.29