Finding the Fourth Proportional to 16,822.64, 23,215.29 and 10,108.38

Step by Step Solution

1. Step 1: Write the proportion equation
   16,822.64 : 23,215.29 = 10,108.38 : x
2. Step 2: Convert to fraction form
   16,822.64/23,215.29 = 10,108.38/x
3. Step 3: Cross multiply
   16,822.64x = 23,215.29 × 10,108.38
4. Step 4: Simplify right side
   16,822.64x = 234,669,025.17
5. Step 5: Solve for x
   x = 234,669,025.17/16,822.64
6. Step 6: Final answer
   x = 13,949.59