Finding the Fourth Proportional to 8,167.72, 12,252.12 and 3,485.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,167.72 : 12,252.12 = 3,485.12 : x
2. Step 2: Convert to fraction form
   8,167.72/12,252.12 = 3,485.12/x
3. Step 3: Cross multiply
   8,167.72x = 12,252.12 × 3,485.12
4. Step 4: Simplify right side
   8,167.72x = 42,700,108.45
5. Step 5: Solve for x
   x = 42,700,108.45/8,167.72
6. Step 6: Final answer
   x = 5,227.91