Finding the Fourth Proportional to 16,039.10, 22,111.43 and 10,066.77

Step by Step Solution

1. Step 1: Write the proportion equation
   16,039.10 : 22,111.43 = 10,066.77 : x
2. Step 2: Convert to fraction form
   16,039.10/22,111.43 = 10,066.77/x
3. Step 3: Cross multiply
   16,039.10x = 22,111.43 × 10,066.77
4. Step 4: Simplify right side
   16,039.10x = 222,590,629.85
5. Step 5: Solve for x
   x = 222,590,629.85/16,039.10
6. Step 6: Final answer
   x = 13,878.00