Finding the Fourth Proportional to 50,108.98, 69,124.18 and 30,982.64

Step by Step Solution

1. Step 1: Write the proportion equation
   50,108.98 : 69,124.18 = 30,982.64 : x
2. Step 2: Convert to fraction form
   50,108.98/69,124.18 = 30,982.64/x
3. Step 3: Cross multiply
   50,108.98x = 69,124.18 × 30,982.64
4. Step 4: Simplify right side
   50,108.98x = 2,141,649,707.80
5. Step 5: Solve for x
   x = 2,141,649,707.80/50,108.98
6. Step 6: Final answer
   x = 42,739.84