Finding the Fourth Proportional to 89,359.58, 123,318.78 and 50,594.42

Step by Step Solution

1. Step 1: Write the proportion equation
   89,359.58 : 123,318.78 = 50,594.42 : x
2. Step 2: Convert to fraction form
   89,359.58/123,318.78 = 50,594.42/x
3. Step 3: Cross multiply
   89,359.58x = 123,318.78 × 50,594.42
4. Step 4: Simplify right side
   89,359.58x = 6,239,242,149.21
5. Step 5: Solve for x
   x = 6,239,242,149.21/89,359.58
6. Step 6: Final answer
   x = 69,821.75