Finding the Fourth Proportional to 16,641.63, 24,940.56 and 8,212.77

Step by Step Solution

1. Step 1: Write the proportion equation
   16,641.63 : 24,940.56 = 8,212.77 : x
2. Step 2: Convert to fraction form
   16,641.63/24,940.56 = 8,212.77/x
3. Step 3: Cross multiply
   16,641.63x = 24,940.56 × 8,212.77
4. Step 4: Simplify right side
   16,641.63x = 204,831,082.95
5. Step 5: Solve for x
   x = 204,831,082.95/16,641.63
6. Step 6: Final answer
   x = 12,308.35