Finding the Fourth Proportional to 50,989.68, 70,391.34 and 31,880.07

Step by Step Solution

1. Step 1: Write the proportion equation
   50,989.68 : 70,391.34 = 31,880.07 : x
2. Step 2: Convert to fraction form
   50,989.68/70,391.34 = 31,880.07/x
3. Step 3: Cross multiply
   50,989.68x = 70,391.34 × 31,880.07
4. Step 4: Simplify right side
   50,989.68x = 2,244,080,846.59
5. Step 5: Solve for x
   x = 2,244,080,846.59/50,989.68
6. Step 6: Final answer
   x = 44,010.49