Finding the Fourth Proportional to 50,344.98, 69,502.77 and 31,488.18

Step by Step Solution

1. Step 1: Write the proportion equation
   50,344.98 : 69,502.77 = 31,488.18 : x
2. Step 2: Convert to fraction form
   50,344.98/69,502.77 = 31,488.18/x
3. Step 3: Cross multiply
   50,344.98x = 69,502.77 × 31,488.18
4. Step 4: Simplify right side
   50,344.98x = 2,188,515,732.26
5. Step 5: Solve for x
   x = 2,188,515,732.26/50,344.98
6. Step 6: Final answer
   x = 43,470.39