Finding the Fourth Proportional to 72,016.28, 99,387.68 and 41,819.04

Step by Step Solution

1. Step 1: Write the proportion equation
   72,016.28 : 99,387.68 = 41,819.04 : x
2. Step 2: Convert to fraction form
   72,016.28/99,387.68 = 41,819.04/x
3. Step 3: Cross multiply
   72,016.28x = 99,387.68 × 41,819.04
4. Step 4: Simplify right side
   72,016.28x = 4,156,297,365.43
5. Step 5: Solve for x
   x = 4,156,297,365.43/72,016.28
6. Step 6: Final answer
   x = 57,713.30