Finding the Fourth Proportional to 31,399.76, 43,329.16 and 17,967.94

Step by Step Solution

1. Step 1: Write the proportion equation
   31,399.76 : 43,329.16 = 17,967.94 : x
2. Step 2: Convert to fraction form
   31,399.76/43,329.16 = 17,967.94/x
3. Step 3: Cross multiply
   31,399.76x = 43,329.16 × 17,967.94
4. Step 4: Simplify right side
   31,399.76x = 778,535,661.27
5. Step 5: Solve for x
   x = 778,535,661.27/31,399.76
6. Step 6: Final answer
   x = 24,794.32