Finding the Fourth Proportional to 17,404.24, 26,105.54 and 4,255.90

Step by Step Solution

1. Step 1: Write the proportion equation
   17,404.24 : 26,105.54 = 4,255.90 : x
2. Step 2: Convert to fraction form
   17,404.24/26,105.54 = 4,255.90/x
3. Step 3: Cross multiply
   17,404.24x = 26,105.54 × 4,255.90
4. Step 4: Simplify right side
   17,404.24x = 111,102,567.69
5. Step 5: Solve for x
   x = 111,102,567.69/17,404.24
6. Step 6: Final answer
   x = 6,383.65