Finding the Fourth Proportional to 17,179.78, 23,708.77 and 9,626.17

Step by Step Solution

1. Step 1: Write the proportion equation
   17,179.78 : 23,708.77 = 9,626.17 : x
2. Step 2: Convert to fraction form
   17,179.78/23,708.77 = 9,626.17/x
3. Step 3: Cross multiply
   17,179.78x = 23,708.77 × 9,626.17
4. Step 4: Simplify right side
   17,179.78x = 228,224,650.51
5. Step 5: Solve for x
   x = 228,224,650.51/17,179.78
6. Step 6: Final answer
   x = 13,284.49