Finding the Fourth Proportional to 8,624.16, 11,898.27 and 5,086.62

Step by Step Solution

1. Step 1: Write the proportion equation
   8,624.16 : 11,898.27 = 5,086.62 : x
2. Step 2: Convert to fraction form
   8,624.16/11,898.27 = 5,086.62/x
3. Step 3: Cross multiply
   8,624.16x = 11,898.27 × 5,086.62
4. Step 4: Simplify right side
   8,624.16x = 60,521,978.15
5. Step 5: Solve for x
   x = 60,521,978.15/8,624.16
6. Step 6: Final answer
   x = 7,017.72