Finding the Fourth Proportional to 22,469.28, 31,014.84 and 13,036.02

Step by Step Solution

1. Step 1: Write the proportion equation
   22,469.28 : 31,014.84 = 13,036.02 : x
2. Step 2: Convert to fraction form
   22,469.28/31,014.84 = 13,036.02/x
3. Step 3: Cross multiply
   22,469.28x = 31,014.84 × 13,036.02
4. Step 4: Simplify right side
   22,469.28x = 404,310,074.54
5. Step 5: Solve for x
   x = 404,310,074.54/22,469.28
6. Step 6: Final answer
   x = 17,993.90