Finding the Fourth Proportional to 72,404.20, 108,557.70 and 34,982.20

Step by Step Solution

1. Step 1: Write the proportion equation
   72,404.20 : 108,557.70 = 34,982.20 : x
2. Step 2: Convert to fraction form
   72,404.20/108,557.70 = 34,982.20/x
3. Step 3: Cross multiply
   72,404.20x = 108,557.70 × 34,982.20
4. Step 4: Simplify right side
   72,404.20x = 3,797,587,172.94
5. Step 5: Solve for x
   x = 3,797,587,172.94/72,404.20
6. Step 6: Final answer
   x = 52,449.82