Finding the Fourth Proportional to 50,318.88, 69,439.32 and 29,100.12

Step by Step Solution

1. Step 1: Write the proportion equation
   50,318.88 : 69,439.32 = 29,100.12 : x
2. Step 2: Convert to fraction form
   50,318.88/69,439.32 = 29,100.12/x
3. Step 3: Cross multiply
   50,318.88x = 69,439.32 × 29,100.12
4. Step 4: Simplify right side
   50,318.88x = 2,020,692,544.72
5. Step 5: Solve for x
   x = 2,020,692,544.72/50,318.88
6. Step 6: Final answer
   x = 40,157.74