Finding the Fourth Proportional to 50,185.62, 69,255.12 and 31,060.31

Step by Step Solution

1. Step 1: Write the proportion equation
   50,185.62 : 69,255.12 = 31,060.31 : x
2. Step 2: Convert to fraction form
   50,185.62/69,255.12 = 31,060.31/x
3. Step 3: Cross multiply
   50,185.62x = 69,255.12 × 31,060.31
4. Step 4: Simplify right side
   50,185.62x = 2,151,085,496.29
5. Step 5: Solve for x
   x = 2,151,085,496.29/50,185.62
6. Step 6: Final answer
   x = 42,862.59