Finding the Fourth Proportional to 22,494.16, 31,041.99 and 12,422.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,494.16 : 31,041.99 = 12,422.42 : x
2. Step 2: Convert to fraction form
   22,494.16/31,041.99 = 12,422.42/x
3. Step 3: Cross multiply
   22,494.16x = 31,041.99 × 12,422.42
4. Step 4: Simplify right side
   22,494.16x = 385,616,482.21
5. Step 5: Solve for x
   x = 385,616,482.21/22,494.16
6. Step 6: Final answer
   x = 17,142.96