Finding the Fourth Proportional to 72,819.92, 109,272.32 and 30,697.41

Step by Step Solution

1. Step 1: Write the proportion equation
   72,819.92 : 109,272.32 = 30,697.41 : x
2. Step 2: Convert to fraction form
   72,819.92/109,272.32 = 30,697.41/x
3. Step 3: Cross multiply
   72,819.92x = 109,272.32 × 30,697.41
4. Step 4: Simplify right side
   72,819.92x = 3,354,377,055.20
5. Step 5: Solve for x
   x = 3,354,377,055.20/72,819.92
6. Step 6: Final answer
   x = 46,064.01