Finding the Fourth Proportional to 72,449.62, 108,674.82 and 32,979.12

Step by Step Solution

1. Step 1: Write the proportion equation
   72,449.62 : 108,674.82 = 32,979.12 : x
2. Step 2: Convert to fraction form
   72,449.62/108,674.82 = 32,979.12/x
3. Step 3: Cross multiply
   72,449.62x = 108,674.82 × 32,979.12
4. Step 4: Simplify right side
   72,449.62x = 3,583,999,929.76
5. Step 5: Solve for x
   x = 3,583,999,929.76/72,449.62
6. Step 6: Final answer
   x = 49,468.86