Finding the Fourth Proportional to 22,882.05, 31,575.65 and 12,810.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,882.05 : 31,575.65 = 12,810.42 : x
2. Step 2: Convert to fraction form
   22,882.05/31,575.65 = 12,810.42/x
3. Step 3: Cross multiply
   22,882.05x = 31,575.65 × 12,810.42
4. Step 4: Simplify right side
   22,882.05x = 404,497,274.22
5. Step 5: Solve for x
   x = 404,497,274.22/22,882.05
6. Step 6: Final answer
   x = 17,677.49