Finding the Fourth Proportional to 16,128.05, 22,265.96 and 10,749.06

Step by Step Solution

1. Step 1: Write the proportion equation
   16,128.05 : 22,265.96 = 10,749.06 : x
2. Step 2: Convert to fraction form
   16,128.05/22,265.96 = 10,749.06/x
3. Step 3: Cross multiply
   16,128.05x = 22,265.96 × 10,749.06
4. Step 4: Simplify right side
   16,128.05x = 239,338,086.25
5. Step 5: Solve for x
   x = 239,338,086.25/16,128.05
6. Step 6: Final answer
   x = 14,839.87