Finding the Fourth Proportional to 17,231.09, 23,778.72 and 9,677.25

Step by Step Solution

1. Step 1: Write the proportion equation
   17,231.09 : 23,778.72 = 9,677.25 : x
2. Step 2: Convert to fraction form
   17,231.09/23,778.72 = 9,677.25/x
3. Step 3: Cross multiply
   17,231.09x = 23,778.72 × 9,677.25
4. Step 4: Simplify right side
   17,231.09x = 230,112,618.12
5. Step 5: Solve for x
   x = 230,112,618.12/17,231.09
6. Step 6: Final answer
   x = 13,354.51