Finding the Fourth Proportional to 85,822.24, 118,431 and 47,581.60

Step by Step Solution

1. Step 1: Write the proportion equation
   85,822.24 : 118,431 = 47,581.60 : x
2. Step 2: Convert to fraction form
   85,822.24/118,431 = 47,581.60/x
3. Step 3: Cross multiply
   85,822.24x = 118,431 × 47,581.60
4. Step 4: Simplify right side
   85,822.24x = 5,635,136,469.60
5. Step 5: Solve for x
   x = 5,635,136,469.60/85,822.24
6. Step 6: Final answer
   x = 65,660.56