Finding the Fourth Proportional to 72,819.35, 109,271.48 and 30,696.85

Step by Step Solution

1. Step 1: Write the proportion equation
   72,819.35 : 109,271.48 = 30,696.85 : x
2. Step 2: Convert to fraction form
   72,819.35/109,271.48 = 30,696.85/x
3. Step 3: Cross multiply
   72,819.35x = 109,271.48 × 30,696.85
4. Step 4: Simplify right side
   72,819.35x = 3,354,289,804.18
5. Step 5: Solve for x
   x = 3,354,289,804.18/72,819.35
6. Step 6: Final answer
   x = 46,063.17