Finding the Fourth Proportional to 23,436.27, 35,131.82 and 8,637.09

Step by Step Solution

1. Step 1: Write the proportion equation
   23,436.27 : 35,131.82 = 8,637.09 : x
2. Step 2: Convert to fraction form
   23,436.27/35,131.82 = 8,637.09/x
3. Step 3: Cross multiply
   23,436.27x = 35,131.82 × 8,637.09
4. Step 4: Simplify right side
   23,436.27x = 303,436,648.02
5. Step 5: Solve for x
   x = 303,436,648.02/23,436.27
6. Step 6: Final answer
   x = 12,947.31