Finding the Fourth Proportional to 16,605, 22,917.51 and 10,636.38

Step by Step Solution

1. Step 1: Write the proportion equation
   16,605 : 22,917.51 = 10,636.38 : x
2. Step 2: Convert to fraction form
   16,605/22,917.51 = 10,636.38/x
3. Step 3: Cross multiply
   16,605x = 22,917.51 × 10,636.38
4. Step 4: Simplify right side
   16,605x = 243,759,345.01
5. Step 5: Solve for x
   x = 243,759,345.01/16,605
6. Step 6: Final answer
   x = 14,679.88