Finding the Fourth Proportional to 22,412.05, 30,928.21 and 12,340.27

Step by Step Solution

1. Step 1: Write the proportion equation
   22,412.05 : 30,928.21 = 12,340.27 : x
2. Step 2: Convert to fraction form
   22,412.05/30,928.21 = 12,340.27/x
3. Step 3: Cross multiply
   22,412.05x = 30,928.21 × 12,340.27
4. Step 4: Simplify right side
   22,412.05x = 381,662,462.02
5. Step 5: Solve for x
   x = 381,662,462.02/22,412.05
6. Step 6: Final answer
   x = 17,029.34