Finding the Fourth Proportional to 72,021, 108,059.48 and 29,890.54

Step by Step Solution

1. Step 1: Write the proportion equation
   72,021 : 108,059.48 = 29,890.54 : x
2. Step 2: Convert to fraction form
   72,021/108,059.48 = 29,890.54/x
3. Step 3: Cross multiply
   72,021x = 108,059.48 × 29,890.54
4. Step 4: Simplify right side
   72,021x = 3,229,956,209.32
5. Step 5: Solve for x
   x = 3,229,956,209.32/72,021
6. Step 6: Final answer
   x = 44,847.42