Finding the Fourth Proportional to 50,621.80, 69,858.82 and 29,401.07

Step by Step Solution

1. Step 1: Write the proportion equation
   50,621.80 : 69,858.82 = 29,401.07 : x
2. Step 2: Convert to fraction form
   50,621.80/69,858.82 = 29,401.07/x
3. Step 3: Cross multiply
   50,621.80x = 69,858.82 × 29,401.07
4. Step 4: Simplify right side
   50,621.80x = 2,053,923,744.39
5. Step 5: Solve for x
   x = 2,053,923,744.39/50,621.80
6. Step 6: Final answer
   x = 40,573.90