Finding the Fourth Proportional to 22,544.22, 31,113.35 and 12,984.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,544.22 : 31,113.35 = 12,984.42 : x
2. Step 2: Convert to fraction form
   22,544.22/31,113.35 = 12,984.42/x
3. Step 3: Cross multiply
   22,544.22x = 31,113.35 × 12,984.42
4. Step 4: Simplify right side
   22,544.22x = 403,988,804.01
5. Step 5: Solve for x
   x = 403,988,804.01/22,544.22
6. Step 6: Final answer
   x = 17,919.84