Finding the Fourth Proportional to 22,452.56, 30,995.16 and 13,017.68

Step by Step Solution

1. Step 1: Write the proportion equation
   22,452.56 : 30,995.16 = 13,017.68 : x
2. Step 2: Convert to fraction form
   22,452.56/30,995.16 = 13,017.68/x
3. Step 3: Cross multiply
   22,452.56x = 30,995.16 × 13,017.68
4. Step 4: Simplify right side
   22,452.56x = 403,485,074.43
5. Step 5: Solve for x
   x = 403,485,074.43/22,452.56
6. Step 6: Final answer
   x = 17,970.56