Finding the Fourth Proportional to 22,880.12, 31,575.17 and 12,808.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,880.12 : 31,575.17 = 12,808.52 : x
2. Step 2: Convert to fraction form
   22,880.12/31,575.17 = 12,808.52/x
3. Step 3: Cross multiply
   22,880.12x = 31,575.17 × 12,808.52
4. Step 4: Simplify right side
   22,880.12x = 404,430,974.53
5. Step 5: Solve for x
   x = 404,430,974.53/22,880.12
6. Step 6: Final answer
   x = 17,676.09