Finding the Fourth Proportional to 17,131.10, 25,675.11 and 7,768.31

Step by Step Solution

1. Step 1: Write the proportion equation
   17,131.10 : 25,675.11 = 7,768.31 : x
2. Step 2: Convert to fraction form
   17,131.10/25,675.11 = 7,768.31/x
3. Step 3: Cross multiply
   17,131.10x = 25,675.11 × 7,768.31
4. Step 4: Simplify right side
   17,131.10x = 199,452,085.39
5. Step 5: Solve for x
   x = 199,452,085.39/17,131.10
6. Step 6: Final answer
   x = 11,642.69