Finding the Fourth Proportional to 50,310.78, 69,424.83 and 29,091.42

Step by Step Solution

1. Step 1: Write the proportion equation
   50,310.78 : 69,424.83 = 29,091.42 : x
2. Step 2: Convert to fraction form
   50,310.78/69,424.83 = 29,091.42/x
3. Step 3: Cross multiply
   50,310.78x = 69,424.83 × 29,091.42
4. Step 4: Simplify right side
   50,310.78x = 2,019,666,887.96
5. Step 5: Solve for x
   x = 2,019,666,887.96/50,310.78
6. Step 6: Final answer
   x = 40,143.82