Finding the Fourth Proportional to 17,100.08, 25,659.15 and 12,134.54

Step by Step Solution

1. Step 1: Write the proportion equation
   17,100.08 : 25,659.15 = 12,134.54 : x
2. Step 2: Convert to fraction form
   17,100.08/25,659.15 = 12,134.54/x
3. Step 3: Cross multiply
   17,100.08x = 25,659.15 × 12,134.54
4. Step 4: Simplify right side
   17,100.08x = 311,361,921.37
5. Step 5: Solve for x
   x = 311,361,921.37/17,100.08
6. Step 6: Final answer
   x = 18,208.21