Finding the Fourth Proportional to 23,083.62, 34,687.95 and 12,561.42

Step by Step Solution

1. Step 1: Write the proportion equation
   23,083.62 : 34,687.95 = 12,561.42 : x
2. Step 2: Convert to fraction form
   23,083.62/34,687.95 = 12,561.42/x
3. Step 3: Cross multiply
   23,083.62x = 34,687.95 × 12,561.42
4. Step 4: Simplify right side
   23,083.62x = 435,729,908.89
5. Step 5: Solve for x
   x = 435,729,908.89/23,083.62
6. Step 6: Final answer
   x = 18,876.15