Finding the Fourth Proportional to 16,185, 22,345.02 and 10,605.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,185 : 22,345.02 = 10,605.72 : x
2. Step 2: Convert to fraction form
   16,185/22,345.02 = 10,605.72/x
3. Step 3: Cross multiply
   16,185x = 22,345.02 × 10,605.72
4. Step 4: Simplify right side
   16,185x = 236,985,025.51
5. Step 5: Solve for x
   x = 236,985,025.51/16,185
6. Step 6: Final answer
   x = 14,642.26