Finding the Fourth Proportional to 12,096.05, 18,146.21 and 5,522.90

Step by Step Solution

1. Step 1: Write the proportion equation
   12,096.05 : 18,146.21 = 5,522.90 : x
2. Step 2: Convert to fraction form
   12,096.05/18,146.21 = 5,522.90/x
3. Step 3: Cross multiply
   12,096.05x = 18,146.21 × 5,522.90
4. Step 4: Simplify right side
   12,096.05x = 100,219,720.96
5. Step 5: Solve for x
   x = 100,219,720.96/12,096.05
6. Step 6: Final answer
   x = 8,285.32