Finding the Fourth Proportional to 50,023.87, 69,054.20 and 31,170.31

Step by Step Solution

1. Step 1: Write the proportion equation
   50,023.87 : 69,054.20 = 31,170.31 : x
2. Step 2: Convert to fraction form
   50,023.87/69,054.20 = 31,170.31/x
3. Step 3: Cross multiply
   50,023.87x = 69,054.20 × 31,170.31
4. Step 4: Simplify right side
   50,023.87x = 2,152,440,664.95
5. Step 5: Solve for x
   x = 2,152,440,664.95/50,023.87
6. Step 6: Final answer
   x = 43,028.27