Finding the Fourth Proportional to 22,080.76, 30,471.46 and 12,144.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,080.76 : 30,471.46 = 12,144.76 : x
2. Step 2: Convert to fraction form
   22,080.76/30,471.46 = 12,144.76/x
3. Step 3: Cross multiply
   22,080.76x = 30,471.46 × 12,144.76
4. Step 4: Simplify right side
   22,080.76x = 370,068,568.55
5. Step 5: Solve for x
   x = 370,068,568.55/22,080.76
6. Step 6: Final answer
   x = 16,759.77