Finding the Fourth Proportional to 22,969.72, 31,698.30 and 13,033.72

Step by Step Solution

1. Step 1: Write the proportion equation
   22,969.72 : 31,698.30 = 13,033.72 : x
2. Step 2: Convert to fraction form
   22,969.72/31,698.30 = 13,033.72/x
3. Step 3: Cross multiply
   22,969.72x = 31,698.30 × 13,033.72
4. Step 4: Simplify right side
   22,969.72x = 413,146,766.68
5. Step 5: Solve for x
   x = 413,146,766.68/22,969.72
6. Step 6: Final answer
   x = 17,986.58