Finding the Fourth Proportional to 51,458.17, 71,003.72 and 30,241.54

Step by Step Solution

1. Step 1: Write the proportion equation
   51,458.17 : 71,003.72 = 30,241.54 : x
2. Step 2: Convert to fraction form
   51,458.17/71,003.72 = 30,241.54/x
3. Step 3: Cross multiply
   51,458.17x = 71,003.72 × 30,241.54
4. Step 4: Simplify right side
   51,458.17x = 2,147,261,838.53
5. Step 5: Solve for x
   x = 2,147,261,838.53/51,458.17
6. Step 6: Final answer
   x = 41,728.30