Finding the Fourth Proportional to 14,826.50, 20,460.83 and 8,112.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,826.50 : 20,460.83 = 8,112.72 : x
2. Step 2: Convert to fraction form
   14,826.50/20,460.83 = 8,112.72/x
3. Step 3: Cross multiply
   14,826.50x = 20,460.83 × 8,112.72
4. Step 4: Simplify right side
   14,826.50x = 165,992,885.10
5. Step 5: Solve for x
   x = 165,992,885.10/14,826.50
6. Step 6: Final answer
   x = 11,195.69