Finding the Fourth Proportional to 88,333.25, 121,899.89 and 50,629.37

Step by Step Solution

1. Step 1: Write the proportion equation
   88,333.25 : 121,899.89 = 50,629.37 : x
2. Step 2: Convert to fraction form
   88,333.25/121,899.89 = 50,629.37/x
3. Step 3: Cross multiply
   88,333.25x = 121,899.89 × 50,629.37
4. Step 4: Simplify right side
   88,333.25x = 6,171,714,380.62
5. Step 5: Solve for x
   x = 6,171,714,380.62/88,333.25
6. Step 6: Final answer
   x = 69,868.53