Finding the Fourth Proportional to 23,399.48, 35,078.15 and 8,598.35

Step by Step Solution

1. Step 1: Write the proportion equation
   23,399.48 : 35,078.15 = 8,598.35 : x
2. Step 2: Convert to fraction form
   23,399.48/35,078.15 = 8,598.35/x
3. Step 3: Cross multiply
   23,399.48x = 35,078.15 × 8,598.35
4. Step 4: Simplify right side
   23,399.48x = 301,614,057.16
5. Step 5: Solve for x
   x = 301,614,057.16/23,399.48
6. Step 6: Final answer
   x = 12,889.78