Finding the Fourth Proportional to 23,057.42, 34,590.75 and 8,267.49

Step by Step Solution

1. Step 1: Write the proportion equation
   23,057.42 : 34,590.75 = 8,267.49 : x
2. Step 2: Convert to fraction form
   23,057.42/34,590.75 = 8,267.49/x
3. Step 3: Cross multiply
   23,057.42x = 34,590.75 × 8,267.49
4. Step 4: Simplify right side
   23,057.42x = 285,978,679.72
5. Step 5: Solve for x
   x = 285,978,679.72/23,057.42
6. Step 6: Final answer
   x = 12,402.89