Finding the Fourth Proportional to 16,603.80, 24,899.49 and 5,508.42

Step by Step Solution

1. Step 1: Write the proportion equation
   16,603.80 : 24,899.49 = 5,508.42 : x
2. Step 2: Convert to fraction form
   16,603.80/24,899.49 = 5,508.42/x
3. Step 3: Cross multiply
   16,603.80x = 24,899.49 × 5,508.42
4. Step 4: Simplify right side
   16,603.80x = 137,156,848.71
5. Step 5: Solve for x
   x = 137,156,848.71/16,603.80
6. Step 6: Final answer
   x = 8,260.57