Finding the Fourth Proportional to 12,196.67, 18,294.71 and 5,622.85

Step by Step Solution

1. Step 1: Write the proportion equation
   12,196.67 : 18,294.71 = 5,622.85 : x
2. Step 2: Convert to fraction form
   12,196.67/18,294.71 = 5,622.85/x
3. Step 3: Cross multiply
   12,196.67x = 18,294.71 × 5,622.85
4. Step 4: Simplify right side
   12,196.67x = 102,868,410.12
5. Step 5: Solve for x
   x = 102,868,410.12/12,196.67
6. Step 6: Final answer
   x = 8,434.14