Finding the Fourth Proportional to 50,640.30, 69,871.68 and 29,406.96

Step by Step Solution

1. Step 1: Write the proportion equation
   50,640.30 : 69,871.68 = 29,406.96 : x
2. Step 2: Convert to fraction form
   50,640.30/69,871.68 = 29,406.96/x
3. Step 3: Cross multiply
   50,640.30x = 69,871.68 × 29,406.96
4. Step 4: Simplify right side
   50,640.30x = 2,054,713,698.89
5. Step 5: Solve for x
   x = 2,054,713,698.89/50,640.30
6. Step 6: Final answer
   x = 40,574.67