Finding the Fourth Proportional to 12,147.17, 18,214.50 and 5,567.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,147.17 : 18,214.50 = 5,567.72 : x
2. Step 2: Convert to fraction form
   12,147.17/18,214.50 = 5,567.72/x
3. Step 3: Cross multiply
   12,147.17x = 18,214.50 × 5,567.72
4. Step 4: Simplify right side
   12,147.17x = 101,413,235.94
5. Step 5: Solve for x
   x = 101,413,235.94/12,147.17
6. Step 6: Final answer
   x = 8,348.71