Finding the Fourth Proportional to 50,190.62, 69,262.02 and 31,065.32

Step by Step Solution

1. Step 1: Write the proportion equation
   50,190.62 : 69,262.02 = 31,065.32 : x
2. Step 2: Convert to fraction form
   50,190.62/69,262.02 = 31,065.32/x
3. Step 3: Cross multiply
   50,190.62x = 69,262.02 × 31,065.32
4. Step 4: Simplify right side
   50,190.62x = 2,151,646,815.15
5. Step 5: Solve for x
   x = 2,151,646,815.15/50,190.62
6. Step 6: Final answer
   x = 42,869.50