Finding the Fourth Proportional to 72,277.27, 99,743.82 and 39,571.14

Step by Step Solution

1. Step 1: Write the proportion equation
   72,277.27 : 99,743.82 = 39,571.14 : x
2. Step 2: Convert to fraction form
   72,277.27/99,743.82 = 39,571.14/x
3. Step 3: Cross multiply
   72,277.27x = 99,743.82 × 39,571.14
4. Step 4: Simplify right side
   72,277.27x = 3,946,976,267.60
5. Step 5: Solve for x
   x = 3,946,976,267.60/72,277.27
6. Step 6: Final answer
   x = 54,608.82