Finding the Fourth Proportional to 22,682.64, 31,300.23 and 12,610.29

Step by Step Solution

1. Step 1: Write the proportion equation
   22,682.64 : 31,300.23 = 12,610.29 : x
2. Step 2: Convert to fraction form
   22,682.64/31,300.23 = 12,610.29/x
3. Step 3: Cross multiply
   22,682.64x = 31,300.23 × 12,610.29
4. Step 4: Simplify right side
   22,682.64x = 394,704,977.37
5. Step 5: Solve for x
   x = 394,704,977.37/22,682.64
6. Step 6: Final answer
   x = 17,401.19