Finding the Fourth Proportional to 71,647.73, 98,884.76 and 51,571.07

Step by Step Solution

1. Step 1: Write the proportion equation
   71,647.73 : 98,884.76 = 51,571.07 : x
2. Step 2: Convert to fraction form
   71,647.73/98,884.76 = 51,571.07/x
3. Step 3: Cross multiply
   71,647.73x = 98,884.76 × 51,571.07
4. Step 4: Simplify right side
   71,647.73x = 5,099,592,879.89
5. Step 5: Solve for x
   x = 5,099,592,879.89/71,647.73
6. Step 6: Final answer
   x = 71,175.92