Finding the Fourth Proportional to 9,676.82, 13,354.53 and 5,429.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,676.82 : 13,354.53 = 5,429.22 : x
2. Step 2: Convert to fraction form
   9,676.82/13,354.53 = 5,429.22/x
3. Step 3: Cross multiply
   9,676.82x = 13,354.53 × 5,429.22
4. Step 4: Simplify right side
   9,676.82x = 72,504,681.37
5. Step 5: Solve for x
   x = 72,504,681.37/9,676.82
6. Step 6: Final answer
   x = 7,492.62