Finding the Fourth Proportional to 22,080.45, 30,498.37 and 16,020.97

Step by Step Solution

1. Step 1: Write the proportion equation
   22,080.45 : 30,498.37 = 16,020.97 : x
2. Step 2: Convert to fraction form
   22,080.45/30,498.37 = 16,020.97/x
3. Step 3: Cross multiply
   22,080.45x = 30,498.37 × 16,020.97
4. Step 4: Simplify right side
   22,080.45x = 488,613,354.52
5. Step 5: Solve for x
   x = 488,613,354.52/22,080.45
6. Step 6: Final answer
   x = 22,128.78