Finding the Fourth Proportional to 8,695.72, 12,000.90 and 4,969

Step by Step Solution

1. Step 1: Write the proportion equation
   8,695.72 : 12,000.90 = 4,969 : x
2. Step 2: Convert to fraction form
   8,695.72/12,000.90 = 4,969/x
3. Step 3: Cross multiply
   8,695.72x = 12,000.90 × 4,969
4. Step 4: Simplify right side
   8,695.72x = 59,632,472.10
5. Step 5: Solve for x
   x = 59,632,472.10/8,695.72
6. Step 6: Final answer
   x = 6,857.68