Finding the Fourth Proportional to 23,120.94, 34,683.42 and 8,126.79

Step by Step Solution

1. Step 1: Write the proportion equation
   23,120.94 : 34,683.42 = 8,126.79 : x
2. Step 2: Convert to fraction form
   23,120.94/34,683.42 = 8,126.79/x
3. Step 3: Cross multiply
   23,120.94x = 34,683.42 × 8,126.79
4. Step 4: Simplify right side
   23,120.94x = 281,864,870.82
5. Step 5: Solve for x
   x = 281,864,870.82/23,120.94
6. Step 6: Final answer
   x = 12,190.89