Finding the Fourth Proportional to 9,136.29, 12,606.72 and 5,358.03

Step by Step Solution

1. Step 1: Write the proportion equation
   9,136.29 : 12,606.72 = 5,358.03 : x
2. Step 2: Convert to fraction form
   9,136.29/12,606.72 = 5,358.03/x
3. Step 3: Cross multiply
   9,136.29x = 12,606.72 × 5,358.03
4. Step 4: Simplify right side
   9,136.29x = 67,547,183.96
5. Step 5: Solve for x
   x = 67,547,183.96/9,136.29
6. Step 6: Final answer
   x = 7,393.28