Finding the Fourth Proportional to 17,103.24, 23,615.82 and 13,118.04

Step by Step Solution

1. Step 1: Write the proportion equation
   17,103.24 : 23,615.82 = 13,118.04 : x
2. Step 2: Convert to fraction form
   17,103.24/23,615.82 = 13,118.04/x
3. Step 3: Cross multiply
   17,103.24x = 23,615.82 × 13,118.04
4. Step 4: Simplify right side
   17,103.24x = 309,793,271.39
5. Step 5: Solve for x
   x = 309,793,271.39/17,103.24
6. Step 6: Final answer
   x = 18,113.13