Finding the Fourth Proportional to 16,617.16, 22,918.71 and 10,649.38

Step by Step Solution

1. Step 1: Write the proportion equation
   16,617.16 : 22,918.71 = 10,649.38 : x
2. Step 2: Convert to fraction form
   16,617.16/22,918.71 = 10,649.38/x
3. Step 3: Cross multiply
   16,617.16x = 22,918.71 × 10,649.38
4. Step 4: Simplify right side
   16,617.16x = 244,070,051.90
5. Step 5: Solve for x
   x = 244,070,051.90/16,617.16
6. Step 6: Final answer
   x = 14,687.84