Finding the Fourth Proportional to 9,691.82, 13,399.56 and 7,461.08

Step by Step Solution

1. Step 1: Write the proportion equation
   9,691.82 : 13,399.56 = 7,461.08 : x
2. Step 2: Convert to fraction form
   9,691.82/13,399.56 = 7,461.08/x
3. Step 3: Cross multiply
   9,691.82x = 13,399.56 × 7,461.08
4. Step 4: Simplify right side
   9,691.82x = 99,975,189.12
5. Step 5: Solve for x
   x = 99,975,189.12/9,691.82
6. Step 6: Final answer
   x = 10,315.42