Finding the Fourth Proportional to 8,469.85, 11,688.83 and 5,112.62

Step by Step Solution

1. Step 1: Write the proportion equation
   8,469.85 : 11,688.83 = 5,112.62 : x
2. Step 2: Convert to fraction form
   8,469.85/11,688.83 = 5,112.62/x
3. Step 3: Cross multiply
   8,469.85x = 11,688.83 × 5,112.62
4. Step 4: Simplify right side
   8,469.85x = 59,760,462.03
5. Step 5: Solve for x
   x = 59,760,462.03/8,469.85
6. Step 6: Final answer
   x = 7,055.67