Finding the Fourth Proportional to 5,608.72, 8,412.45 and 1,448.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,608.72 : 8,412.45 = 1,448.56 : x
2. Step 2: Convert to fraction form
   5,608.72/8,412.45 = 1,448.56/x
3. Step 3: Cross multiply
   5,608.72x = 8,412.45 × 1,448.56
4. Step 4: Simplify right side
   5,608.72x = 12,185,938.57
5. Step 5: Solve for x
   x = 12,185,938.57/5,608.72
6. Step 6: Final answer
   x = 2,172.68