Finding the Fourth Proportional to 23,423.12, 35,103.48 and 8,618.34

Step by Step Solution

1. Step 1: Write the proportion equation
   23,423.12 : 35,103.48 = 8,618.34 : x
2. Step 2: Convert to fraction form
   23,423.12/35,103.48 = 8,618.34/x
3. Step 3: Cross multiply
   23,423.12x = 35,103.48 × 8,618.34
4. Step 4: Simplify right side
   23,423.12x = 302,533,725.82
5. Step 5: Solve for x
   x = 302,533,725.82/23,423.12
6. Step 6: Final answer
   x = 12,916.03