Finding the Fourth Proportional to 72,458.96, 99,974.43 and 41,824.55

Step by Step Solution

1. Step 1: Write the proportion equation
   72,458.96 : 99,974.43 = 41,824.55 : x
2. Step 2: Convert to fraction form
   72,458.96/99,974.43 = 41,824.55/x
3. Step 3: Cross multiply
   72,458.96x = 99,974.43 × 41,824.55
4. Step 4: Simplify right side
   72,458.96x = 4,181,385,046.38
5. Step 5: Solve for x
   x = 4,181,385,046.38/72,458.96
6. Step 6: Final answer
   x = 57,706.95