Finding the Fourth Proportional to 71,714.82, 98,968.89 and 39,450.81

Step by Step Solution

1. Step 1: Write the proportion equation
   71,714.82 : 98,968.89 = 39,450.81 : x
2. Step 2: Convert to fraction form
   71,714.82/98,968.89 = 39,450.81/x
3. Step 3: Cross multiply
   71,714.82x = 98,968.89 × 39,450.81
4. Step 4: Simplify right side
   71,714.82x = 3,904,402,875.30
5. Step 5: Solve for x
   x = 3,904,402,875.30/71,714.82
6. Step 6: Final answer
   x = 54,443.46