Finding the Fourth Proportional to 14,821.82, 20,453.83 and 8,107.43

Step by Step Solution

1. Step 1: Write the proportion equation
   14,821.82 : 20,453.83 = 8,107.43 : x
2. Step 2: Convert to fraction form
   14,821.82/20,453.83 = 8,107.43/x
3. Step 3: Cross multiply
   14,821.82x = 20,453.83 × 8,107.43
4. Step 4: Simplify right side
   14,821.82x = 165,827,852.15
5. Step 5: Solve for x
   x = 165,827,852.15/14,821.82
6. Step 6: Final answer
   x = 11,188.09