Finding the Fourth Proportional to 17,147.12, 23,650.32 and 12,106.09

Step by Step Solution

1. Step 1: Write the proportion equation
   17,147.12 : 23,650.32 = 12,106.09 : x
2. Step 2: Convert to fraction form
   17,147.12/23,650.32 = 12,106.09/x
3. Step 3: Cross multiply
   17,147.12x = 23,650.32 × 12,106.09
4. Step 4: Simplify right side
   17,147.12x = 286,312,902.45
5. Step 5: Solve for x
   x = 286,312,902.45/17,147.12
6. Step 6: Final answer
   x = 16,697.43