Finding the Fourth Proportional to 68,957, 95,164.71 and 51,931.19

Step by Step Solution

1. Step 1: Write the proportion equation
   68,957 : 95,164.71 = 51,931.19 : x
2. Step 2: Convert to fraction form
   68,957/95,164.71 = 51,931.19/x
3. Step 3: Cross multiply
   68,957x = 95,164.71 × 51,931.19
4. Step 4: Simplify right side
   68,957x = 4,942,016,636.30
5. Step 5: Solve for x
   x = 4,942,016,636.30/68,957
6. Step 6: Final answer
   x = 71,668.09