Finding the Fourth Proportional to 72,172.38, 99,597.27 and 41,551.47

Step by Step Solution

1. Step 1: Write the proportion equation
   72,172.38 : 99,597.27 = 41,551.47 : x
2. Step 2: Convert to fraction form
   72,172.38/99,597.27 = 41,551.47/x
3. Step 3: Cross multiply
   72,172.38x = 99,597.27 × 41,551.47
4. Step 4: Simplify right side
   72,172.38x = 4,138,412,976.49
5. Step 5: Solve for x
   x = 4,138,412,976.49/72,172.38
6. Step 6: Final answer
   x = 57,340.67