Finding the Fourth Proportional to 85,877, 118,469.94 and 60,740.36

Step by Step Solution

1. Step 1: Write the proportion equation
   85,877 : 118,469.94 = 60,740.36 : x
2. Step 2: Convert to fraction form
   85,877/118,469.94 = 60,740.36/x
3. Step 3: Cross multiply
   85,877x = 118,469.94 × 60,740.36
4. Step 4: Simplify right side
   85,877x = 7,195,906,804.78
5. Step 5: Solve for x
   x = 7,195,906,804.78/85,877
6. Step 6: Final answer
   x = 83,793.18