Finding the Fourth Proportional to 107,467.43, 161,200.94 and 28,581.73

Step by Step Solution

1. Step 1: Write the proportion equation
   107,467.43 : 161,200.94 = 28,581.73 : x
2. Step 2: Convert to fraction form
   107,467.43/161,200.94 = 28,581.73/x
3. Step 3: Cross multiply
   107,467.43x = 161,200.94 × 28,581.73
4. Step 4: Simplify right side
   107,467.43x = 4,607,401,196.92
5. Step 5: Solve for x
   x = 4,607,401,196.92/107,467.43
6. Step 6: Final answer
   x = 42,872.54