Finding the Fourth Proportional to 20,793.84, 31,144.05 and 16,080.72

Step by Step Solution

1. Step 1: Write the proportion equation
   20,793.84 : 31,144.05 = 16,080.72 : x
2. Step 2: Convert to fraction form
   20,793.84/31,144.05 = 16,080.72/x
3. Step 3: Cross multiply
   20,793.84x = 31,144.05 × 16,080.72
4. Step 4: Simplify right side
   20,793.84x = 500,818,747.72
5. Step 5: Solve for x
   x = 500,818,747.72/20,793.84
6. Step 6: Final answer
   x = 24,084.96