Finding the Fourth Proportional to 86,142.22, 118,857.98 and 52,144.09

Step by Step Solution

1. Step 1: Write the proportion equation
   86,142.22 : 118,857.98 = 52,144.09 : x
2. Step 2: Convert to fraction form
   86,142.22/118,857.98 = 52,144.09/x
3. Step 3: Cross multiply
   86,142.22x = 118,857.98 × 52,144.09
4. Step 4: Simplify right side
   86,142.22x = 6,197,741,039.55
5. Step 5: Solve for x
   x = 6,197,741,039.55/86,142.22
6. Step 6: Final answer
   x = 71,947.78