Finding the Fourth Proportional to 8,469.23, 12,685.06 and 5,346.61

Step by Step Solution

1. Step 1: Write the proportion equation
   8,469.23 : 12,685.06 = 5,346.61 : x
2. Step 2: Convert to fraction form
   8,469.23/12,685.06 = 5,346.61/x
3. Step 3: Cross multiply
   8,469.23x = 12,685.06 × 5,346.61
4. Step 4: Simplify right side
   8,469.23x = 67,822,013.54
5. Step 5: Solve for x
   x = 67,822,013.54/8,469.23
6. Step 6: Final answer
   x = 8,008.05