Finding the Fourth Proportional to 9,676.29, 13,354.80 and 5,429.07

Step by Step Solution

1. Step 1: Write the proportion equation
   9,676.29 : 13,354.80 = 5,429.07 : x
2. Step 2: Convert to fraction form
   9,676.29/13,354.80 = 5,429.07/x
3. Step 3: Cross multiply
   9,676.29x = 13,354.80 × 5,429.07
4. Step 4: Simplify right side
   9,676.29x = 72,504,144.04
5. Step 5: Solve for x
   x = 72,504,144.04/9,676.29
6. Step 6: Final answer
   x = 7,492.97