Finding the Fourth Proportional to 12,098.55, 18,146.79 and 5,524.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,098.55 : 18,146.79 = 5,524.22 : x
2. Step 2: Convert to fraction form
   12,098.55/18,146.79 = 5,524.22/x
3. Step 3: Cross multiply
   12,098.55x = 18,146.79 × 5,524.22
4. Step 4: Simplify right side
   12,098.55x = 100,246,769.52
5. Step 5: Solve for x
   x = 100,246,769.52/12,098.55
6. Step 6: Final answer
   x = 8,285.85