Finding the Fourth Proportional to 22,681.74, 31,300.74 and 12,609.87

Step by Step Solution

1. Step 1: Write the proportion equation
   22,681.74 : 31,300.74 = 12,609.87 : x
2. Step 2: Convert to fraction form
   22,681.74/31,300.74 = 12,609.87/x
3. Step 3: Cross multiply
   22,681.74x = 31,300.74 × 12,609.87
4. Step 4: Simplify right side
   22,681.74x = 394,698,262.30
5. Step 5: Solve for x
   x = 394,698,262.30/22,681.74
6. Step 6: Final answer
   x = 17,401.59