Finding the Fourth Proportional to 22,345.73, 33,532.71 and 12,491.47

Step by Step Solution

1. Step 1: Write the proportion equation
   22,345.73 : 33,532.71 = 12,491.47 : x
2. Step 2: Convert to fraction form
   22,345.73/33,532.71 = 12,491.47/x
3. Step 3: Cross multiply
   22,345.73x = 33,532.71 × 12,491.47
4. Step 4: Simplify right side
   22,345.73x = 418,872,610.86
5. Step 5: Solve for x
   x = 418,872,610.86/22,345.73
6. Step 6: Final answer
   x = 18,745.09