Finding the Fourth Proportional to 72,467.50, 108,745.02 and 30,914.50

Step by Step Solution

1. Step 1: Write the proportion equation
   72,467.50 : 108,745.02 = 30,914.50 : x
2. Step 2: Convert to fraction form
   72,467.50/108,745.02 = 30,914.50/x
3. Step 3: Cross multiply
   72,467.50x = 108,745.02 × 30,914.50
4. Step 4: Simplify right side
   72,467.50x = 3,361,797,920.79
5. Step 5: Solve for x
   x = 3,361,797,920.79/72,467.50
6. Step 6: Final answer
   x = 46,390.42