Finding the Fourth Proportional to 86,150.30, 118,869.98 and 50,333.39

Step by Step Solution

1. Step 1: Write the proportion equation
   86,150.30 : 118,869.98 = 50,333.39 : x
2. Step 2: Convert to fraction form
   86,150.30/118,869.98 = 50,333.39/x
3. Step 3: Cross multiply
   86,150.30x = 118,869.98 × 50,333.39
4. Step 4: Simplify right side
   86,150.30x = 5,983,128,216.62
5. Step 5: Solve for x
   x = 5,983,128,216.62/86,150.30
6. Step 6: Final answer
   x = 69,449.89