Finding the Fourth Proportional to 50,387.27, 69,505.56 and 31,491.59

Step by Step Solution

1. Step 1: Write the proportion equation
   50,387.27 : 69,505.56 = 31,491.59 : x
2. Step 2: Convert to fraction form
   50,387.27/69,505.56 = 31,491.59/x
3. Step 3: Cross multiply
   50,387.27x = 69,505.56 × 31,491.59
4. Step 4: Simplify right side
   50,387.27x = 2,188,840,598.24
5. Step 5: Solve for x
   x = 2,188,840,598.24/50,387.27
6. Step 6: Final answer
   x = 43,440.35