Finding the Fourth Proportional to 17,004.06, 25,529.85 and 12,105.18

Step by Step Solution

1. Step 1: Write the proportion equation
   17,004.06 : 25,529.85 = 12,105.18 : x
2. Step 2: Convert to fraction form
   17,004.06/25,529.85 = 12,105.18/x
3. Step 3: Cross multiply
   17,004.06x = 25,529.85 × 12,105.18
4. Step 4: Simplify right side
   17,004.06x = 309,043,429.62
5. Step 5: Solve for x
   x = 309,043,429.62/17,004.06
6. Step 6: Final answer
   x = 18,174.68