Finding the Fourth Proportional to 50,335.17, 69,435.20 and 31,208.49

Step by Step Solution

1. Step 1: Write the proportion equation
   50,335.17 : 69,435.20 = 31,208.49 : x
2. Step 2: Convert to fraction form
   50,335.17/69,435.20 = 31,208.49/x
3. Step 3: Cross multiply
   50,335.17x = 69,435.20 × 31,208.49
4. Step 4: Simplify right side
   50,335.17x = 2,166,967,735.10
5. Step 5: Solve for x
   x = 2,166,967,735.10/50,335.17
6. Step 6: Final answer
   x = 43,050.77