Finding the Fourth Proportional to 23,410.91, 35,119.86 and 8,618.69

Step by Step Solution

1. Step 1: Write the proportion equation
   23,410.91 : 35,119.86 = 8,618.69 : x
2. Step 2: Convert to fraction form
   23,410.91/35,119.86 = 8,618.69/x
3. Step 3: Cross multiply
   23,410.91x = 35,119.86 × 8,618.69
4. Step 4: Simplify right side
   23,410.91x = 302,687,143.09
5. Step 5: Solve for x
   x = 302,687,143.09/23,410.91
6. Step 6: Final answer
   x = 12,929.32