Finding the Fourth Proportional to 22,882.08, 31,574.66 and 12,809.12

Step by Step Solution

1. Step 1: Write the proportion equation
   22,882.08 : 31,574.66 = 12,809.12 : x
2. Step 2: Convert to fraction form
   22,882.08/31,574.66 = 12,809.12/x
3. Step 3: Cross multiply
   22,882.08x = 31,574.66 × 12,809.12
4. Step 4: Simplify right side
   22,882.08x = 404,443,608.90
5. Step 5: Solve for x
   x = 404,443,608.90/22,882.08
6. Step 6: Final answer
   x = 17,675.12