Finding the Fourth Proportional to 17,417.25, 26,130.20 and 5,105.25

Step by Step Solution

1. Step 1: Write the proportion equation
   17,417.25 : 26,130.20 = 5,105.25 : x
2. Step 2: Convert to fraction form
   17,417.25/26,130.20 = 5,105.25/x
3. Step 3: Cross multiply
   17,417.25x = 26,130.20 × 5,105.25
4. Step 4: Simplify right side
   17,417.25x = 133,401,178.02
5. Step 5: Solve for x
   x = 133,401,178.02/17,417.25
6. Step 6: Final answer
   x = 7,659.14