Finding the Fourth Proportional to 11,822.53, 16,321.63 and 8,632.62

Step by Step Solution

1. Step 1: Write the proportion equation
   11,822.53 : 16,321.63 = 8,632.62 : x
2. Step 2: Convert to fraction form
   11,822.53/16,321.63 = 8,632.62/x
3. Step 3: Cross multiply
   11,822.53x = 16,321.63 × 8,632.62
4. Step 4: Simplify right side
   11,822.53x = 140,898,429.57
5. Step 5: Solve for x
   x = 140,898,429.57/11,822.53
6. Step 6: Final answer
   x = 11,917.79