Finding the Fourth Proportional to 50,891.57, 70,200.99 and 31,738.10

Step by Step Solution

1. Step 1: Write the proportion equation
   50,891.57 : 70,200.99 = 31,738.10 : x
2. Step 2: Convert to fraction form
   50,891.57/70,200.99 = 31,738.10/x
3. Step 3: Cross multiply
   50,891.57x = 70,200.99 × 31,738.10
4. Step 4: Simplify right side
   50,891.57x = 2,228,046,192.77
5. Step 5: Solve for x
   x = 2,228,046,192.77/50,891.57
6. Step 6: Final answer
   x = 43,780.26