Finding the Fourth Proportional to 50,386.27, 69,504.18 and 31,490.59

Step by Step Solution

1. Step 1: Write the proportion equation
   50,386.27 : 69,504.18 = 31,490.59 : x
2. Step 2: Convert to fraction form
   50,386.27/69,504.18 = 31,490.59/x
3. Step 3: Cross multiply
   50,386.27x = 69,504.18 × 31,490.59
4. Step 4: Simplify right side
   50,386.27x = 2,188,727,635.67
5. Step 5: Solve for x
   x = 2,188,727,635.67/50,386.27
6. Step 6: Final answer
   x = 43,438.97