Finding the Fourth Proportional to 14,820.76, 20,453.16 and 8,106.82

Step by Step Solution

1. Step 1: Write the proportion equation
   14,820.76 : 20,453.16 = 8,106.82 : x
2. Step 2: Convert to fraction form
   14,820.76/20,453.16 = 8,106.82/x
3. Step 3: Cross multiply
   14,820.76x = 20,453.16 × 8,106.82
4. Step 4: Simplify right side
   14,820.76x = 165,810,086.55
5. Step 5: Solve for x
   x = 165,810,086.55/14,820.76
6. Step 6: Final answer
   x = 11,187.69