Finding the Fourth Proportional to 12,146.75, 18,213.89 and 5,567.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,146.75 : 18,213.89 = 5,567.22 : x
2. Step 2: Convert to fraction form
   12,146.75/18,213.89 = 5,567.22/x
3. Step 3: Cross multiply
   12,146.75x = 18,213.89 × 5,567.22
4. Step 4: Simplify right side
   12,146.75x = 101,400,732.69
5. Step 5: Solve for x
   x = 101,400,732.69/12,146.75
6. Step 6: Final answer
   x = 8,347.97