Finding the Fourth Proportional to 22,131.47, 30,540.66 and 12,059.71

Step by Step Solution

1. Step 1: Write the proportion equation
   22,131.47 : 30,540.66 = 12,059.71 : x
2. Step 2: Convert to fraction form
   22,131.47/30,540.66 = 12,059.71/x
3. Step 3: Cross multiply
   22,131.47x = 30,540.66 × 12,059.71
4. Step 4: Simplify right side
   22,131.47x = 368,311,484.09
5. Step 5: Solve for x
   x = 368,311,484.09/22,131.47
6. Step 6: Final answer
   x = 16,641.98