Finding the Fourth Proportional to 85,949.34, 118,611 and 47,709.60

Step by Step Solution

1. Step 1: Write the proportion equation
   85,949.34 : 118,611 = 47,709.60 : x
2. Step 2: Convert to fraction form
   85,949.34/118,611 = 47,709.60/x
3. Step 3: Cross multiply
   85,949.34x = 118,611 × 47,709.60
4. Step 4: Simplify right side
   85,949.34x = 5,658,883,365.60
5. Step 5: Solve for x
   x = 5,658,883,365.60/85,949.34
6. Step 6: Final answer
   x = 65,839.75