Finding the Fourth Proportional to 71,085.72, 98,096.97 and 39,253.94

Step by Step Solution

1. Step 1: Write the proportion equation
   71,085.72 : 98,096.97 = 39,253.94 : x
2. Step 2: Convert to fraction form
   71,085.72/98,096.97 = 39,253.94/x
3. Step 3: Cross multiply
   71,085.72x = 98,096.97 × 39,253.94
4. Step 4: Simplify right side
   71,085.72x = 3,850,692,574.56
5. Step 5: Solve for x
   x = 3,850,692,574.56/71,085.72
6. Step 6: Final answer
   x = 54,169.71