Finding the Fourth Proportional to 9,136.72, 12,608.04 and 5,410

Step by Step Solution

1. Step 1: Write the proportion equation
   9,136.72 : 12,608.04 = 5,410 : x
2. Step 2: Convert to fraction form
   9,136.72/12,608.04 = 5,410/x
3. Step 3: Cross multiply
   9,136.72x = 12,608.04 × 5,410
4. Step 4: Simplify right side
   9,136.72x = 68,209,496.40
5. Step 5: Solve for x
   x = 68,209,496.40/9,136.72
6. Step 6: Final answer
   x = 7,465.42