Finding the Fourth Proportional to 22,105.55, 33,158.67 and 12,307.10

Step by Step Solution

1. Step 1: Write the proportion equation
   22,105.55 : 33,158.67 = 12,307.10 : x
2. Step 2: Convert to fraction form
   22,105.55/33,158.67 = 12,307.10/x
3. Step 3: Cross multiply
   22,105.55x = 33,158.67 × 12,307.10
4. Step 4: Simplify right side
   22,105.55x = 408,087,067.56
5. Step 5: Solve for x
   x = 408,087,067.56/22,105.55
6. Step 6: Final answer
   x = 18,460.84