Finding the Fourth Proportional to 22,791.89, 34,187.69 and 12,266.87

Step by Step Solution

1. Step 1: Write the proportion equation
   22,791.89 : 34,187.69 = 12,266.87 : x
2. Step 2: Convert to fraction form
   22,791.89/34,187.69 = 12,266.87/x
3. Step 3: Cross multiply
   22,791.89x = 34,187.69 × 12,266.87
4. Step 4: Simplify right side
   22,791.89x = 419,375,948.83
5. Step 5: Solve for x
   x = 419,375,948.83/22,791.89
6. Step 6: Final answer
   x = 18,400.23