Finding the Fourth Proportional to 50,188.54, 69,290.22 and 31,351.18

Step by Step Solution

1. Step 1: Write the proportion equation
   50,188.54 : 69,290.22 = 31,351.18 : x
2. Step 2: Convert to fraction form
   50,188.54/69,290.22 = 31,351.18/x
3. Step 3: Cross multiply
   50,188.54x = 69,290.22 × 31,351.18
4. Step 4: Simplify right side
   50,188.54x = 2,172,330,159.46
5. Step 5: Solve for x
   x = 2,172,330,159.46/50,188.54
6. Step 6: Final answer
   x = 43,283.39