Finding the Fourth Proportional to 16,039.51, 22,131.89 and 14,749.18

Step by Step Solution

1. Step 1: Write the proportion equation
   16,039.51 : 22,131.89 = 14,749.18 : x
2. Step 2: Convert to fraction form
   16,039.51/22,131.89 = 14,749.18/x
3. Step 3: Cross multiply
   16,039.51x = 22,131.89 × 14,749.18
4. Step 4: Simplify right side
   16,039.51x = 326,427,118.69
5. Step 5: Solve for x
   x = 326,427,118.69/16,039.51
6. Step 6: Final answer
   x = 20,351.45