Finding the Fourth Proportional to 22,120.56, 33,150.74 and 12,754.71

Step by Step Solution

1. Step 1: Write the proportion equation
   22,120.56 : 33,150.74 = 12,754.71 : x
2. Step 2: Convert to fraction form
   22,120.56/33,150.74 = 12,754.71/x
3. Step 3: Cross multiply
   22,120.56x = 33,150.74 × 12,754.71
4. Step 4: Simplify right side
   22,120.56x = 422,828,011.21
5. Step 5: Solve for x
   x = 422,828,011.21/22,120.56
6. Step 6: Final answer
   x = 19,114.71