Finding the Fourth Proportional to 18,132.72, 27,192.72 and 5,651.16

Step by Step Solution

1. Step 1: Write the proportion equation
   18,132.72 : 27,192.72 = 5,651.16 : x
2. Step 2: Convert to fraction form
   18,132.72/27,192.72 = 5,651.16/x
3. Step 3: Cross multiply
   18,132.72x = 27,192.72 × 5,651.16
4. Step 4: Simplify right side
   18,132.72x = 153,670,411.56
5. Step 5: Solve for x
   x = 153,670,411.56/18,132.72
6. Step 6: Final answer
   x = 8,474.76