Finding the Fourth Proportional to 72,200.56, 99,596.76 and 41,982.55

Step by Step Solution

1. Step 1: Write the proportion equation
   72,200.56 : 99,596.76 = 41,982.55 : x
2. Step 2: Convert to fraction form
   72,200.56/99,596.76 = 41,982.55/x
3. Step 3: Cross multiply
   72,200.56x = 99,596.76 × 41,982.55
4. Step 4: Simplify right side
   72,200.56x = 4,181,325,956.54
5. Step 5: Solve for x
   x = 4,181,325,956.54/72,200.56
6. Step 6: Final answer
   x = 57,912.65