Finding the Fourth Proportional to 22,837.43, 31,515.82 and 12,766.28

Step by Step Solution

1. Step 1: Write the proportion equation
   22,837.43 : 31,515.82 = 12,766.28 : x
2. Step 2: Convert to fraction form
   22,837.43/31,515.82 = 12,766.28/x
3. Step 3: Cross multiply
   22,837.43x = 31,515.82 × 12,766.28
4. Step 4: Simplify right side
   22,837.43x = 402,339,593.05
5. Step 5: Solve for x
   x = 402,339,593.05/22,837.43
6. Step 6: Final answer
   x = 17,617.56