Finding the Fourth Proportional to 50,347.98, 69,506.91 and 31,491.18

Step by Step Solution

1. Step 1: Write the proportion equation
   50,347.98 : 69,506.91 = 31,491.18 : x
2. Step 2: Convert to fraction form
   50,347.98/69,506.91 = 31,491.18/x
3. Step 3: Cross multiply
   50,347.98x = 69,506.91 × 31,491.18
4. Step 4: Simplify right side
   50,347.98x = 2,188,854,614.05
5. Step 5: Solve for x
   x = 2,188,854,614.05/50,347.98
6. Step 6: Final answer
   x = 43,474.53