Finding the Fourth Proportional to 50,631.92, 69,871.20 and 29,411.36

Step by Step Solution

1. Step 1: Write the proportion equation
   50,631.92 : 69,871.20 = 29,411.36 : x
2. Step 2: Convert to fraction form
   50,631.92/69,871.20 = 29,411.36/x
3. Step 3: Cross multiply
   50,631.92x = 69,871.20 × 29,411.36
4. Step 4: Simplify right side
   50,631.92x = 2,055,007,016.83
5. Step 5: Solve for x
   x = 2,055,007,016.83/50,631.92
6. Step 6: Final answer
   x = 40,587.18