Finding the Fourth Proportional to 22,452.82, 30,986.98 and 12,894.04

Step by Step Solution

1. Step 1: Write the proportion equation
   22,452.82 : 30,986.98 = 12,894.04 : x
2. Step 2: Convert to fraction form
   22,452.82/30,986.98 = 12,894.04/x
3. Step 3: Cross multiply
   22,452.82x = 30,986.98 × 12,894.04
4. Step 4: Simplify right side
   22,452.82x = 399,547,228.06
5. Step 5: Solve for x
   x = 399,547,228.06/22,452.82
6. Step 6: Final answer
   x = 17,794.97