Finding the Fourth Proportional to 23,078.96, 34,622.07 and 8,090.21

Step by Step Solution

1. Step 1: Write the proportion equation
   23,078.96 : 34,622.07 = 8,090.21 : x
2. Step 2: Convert to fraction form
   23,078.96/34,622.07 = 8,090.21/x
3. Step 3: Cross multiply
   23,078.96x = 34,622.07 × 8,090.21
4. Step 4: Simplify right side
   23,078.96x = 280,099,643.82
5. Step 5: Solve for x
   x = 280,099,643.82/23,078.96
6. Step 6: Final answer
   x = 12,136.58