Finding the Fourth Proportional to 23,012.81, 31,756.96 and 12,941.67

Step by Step Solution

1. Step 1: Write the proportion equation
   23,012.81 : 31,756.96 = 12,941.67 : x
2. Step 2: Convert to fraction form
   23,012.81/31,756.96 = 12,941.67/x
3. Step 3: Cross multiply
   23,012.81x = 31,756.96 × 12,941.67
4. Step 4: Simplify right side
   23,012.81x = 410,988,096.52
5. Step 5: Solve for x
   x = 410,988,096.52/23,012.81
6. Step 6: Final answer
   x = 17,859.10