Finding the Fourth Proportional to 16,622.61, 24,920.91 and 8,298.45

Step by Step Solution

1. Step 1: Write the proportion equation
   16,622.61 : 24,920.91 = 8,298.45 : x
2. Step 2: Convert to fraction form
   16,622.61/24,920.91 = 8,298.45/x
3. Step 3: Cross multiply
   16,622.61x = 24,920.91 × 8,298.45
4. Step 4: Simplify right side
   16,622.61x = 206,804,925.59
5. Step 5: Solve for x
   x = 206,804,925.59/16,622.61
6. Step 6: Final answer
   x = 12,441.18