Finding the Fourth Proportional to 50,296.43, 69,388.89 and 31,169.90

Step by Step Solution

1. Step 1: Write the proportion equation
   50,296.43 : 69,388.89 = 31,169.90 : x
2. Step 2: Convert to fraction form
   50,296.43/69,388.89 = 31,169.90/x
3. Step 3: Cross multiply
   50,296.43x = 69,388.89 × 31,169.90
4. Step 4: Simplify right side
   50,296.43x = 2,162,844,415.47
5. Step 5: Solve for x
   x = 2,162,844,415.47/50,296.43
6. Step 6: Final answer
   x = 43,001.95