Finding the Fourth Proportional to 71,662.38, 98,894.46 and 39,834.24

Step by Step Solution

1. Step 1: Write the proportion equation
   71,662.38 : 98,894.46 = 39,834.24 : x
2. Step 2: Convert to fraction form
   71,662.38/98,894.46 = 39,834.24/x
3. Step 3: Cross multiply
   71,662.38x = 98,894.46 × 39,834.24
4. Step 4: Simplify right side
   71,662.38x = 3,939,385,654.31
5. Step 5: Solve for x
   x = 3,939,385,654.31/71,662.38
6. Step 6: Final answer
   x = 54,971.46