Finding the Fourth Proportional to 50,123.58, 69,144.30 and 30,997.26

Step by Step Solution

1. Step 1: Write the proportion equation
   50,123.58 : 69,144.30 = 30,997.26 : x
2. Step 2: Convert to fraction form
   50,123.58/69,144.30 = 30,997.26/x
3. Step 3: Cross multiply
   50,123.58x = 69,144.30 × 30,997.26
4. Step 4: Simplify right side
   50,123.58x = 2,143,283,844.62
5. Step 5: Solve for x
   x = 2,143,283,844.62/50,123.58
6. Step 6: Final answer
   x = 42,759.99