Finding the Fourth Proportional to 22,449.56, 30,982.08 and 13,018.04

Step by Step Solution

1. Step 1: Write the proportion equation
   22,449.56 : 30,982.08 = 13,018.04 : x
2. Step 2: Convert to fraction form
   22,449.56/30,982.08 = 13,018.04/x
3. Step 3: Cross multiply
   22,449.56x = 30,982.08 × 13,018.04
4. Step 4: Simplify right side
   22,449.56x = 403,325,956.72
5. Step 5: Solve for x
   x = 403,325,956.72/22,449.56
6. Step 6: Final answer
   x = 17,965.87