Finding the Fourth Proportional to 22,880.34, 31,575.40 and 12,808.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,880.34 : 31,575.40 = 12,808.52 : x
2. Step 2: Convert to fraction form
   22,880.34/31,575.40 = 12,808.52/x
3. Step 3: Cross multiply
   22,880.34x = 31,575.40 × 12,808.52
4. Step 4: Simplify right side
   22,880.34x = 404,434,142.41
5. Step 5: Solve for x
   x = 404,434,142.41/22,880.34
6. Step 6: Final answer
   x = 17,676.05