Finding the Fourth Proportional to 23,081.31, 34,626.60 and 8,291.43

Step by Step Solution

1. Step 1: Write the proportion equation
   23,081.31 : 34,626.60 = 8,291.43 : x
2. Step 2: Convert to fraction form
   23,081.31/34,626.60 = 8,291.43/x
3. Step 3: Cross multiply
   23,081.31x = 34,626.60 × 8,291.43
4. Step 4: Simplify right side
   23,081.31x = 287,104,030.04
5. Step 5: Solve for x
   x = 287,104,030.04/23,081.31
6. Step 6: Final answer
   x = 12,438.81