Finding the Fourth Proportional to 17,099.74, 23,610.99 and 13,114.54

Step by Step Solution

1. Step 1: Write the proportion equation
   17,099.74 : 23,610.99 = 13,114.54 : x
2. Step 2: Convert to fraction form
   17,099.74/23,610.99 = 13,114.54/x
3. Step 3: Cross multiply
   17,099.74x = 23,610.99 × 13,114.54
4. Step 4: Simplify right side
   17,099.74x = 309,647,272.79
5. Step 5: Solve for x
   x = 309,647,272.79/17,099.74
6. Step 6: Final answer
   x = 18,108.30