Finding the Fourth Proportional to 50,397.78, 69,557.46 and 29,189.94

Step by Step Solution

1. Step 1: Write the proportion equation
   50,397.78 : 69,557.46 = 29,189.94 : x
2. Step 2: Convert to fraction form
   50,397.78/69,557.46 = 29,189.94/x
3. Step 3: Cross multiply
   50,397.78x = 69,557.46 × 29,189.94
4. Step 4: Simplify right side
   50,397.78x = 2,030,378,083.95
5. Step 5: Solve for x
   x = 2,030,378,083.95/50,397.78
6. Step 6: Final answer
   x = 40,287.05