Finding the Fourth Proportional to 3,608.62, 5,412.78 and 1,975.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,608.62 : 5,412.78 = 1,975.52 : x
2. Step 2: Convert to fraction form
   3,608.62/5,412.78 = 1,975.52/x
3. Step 3: Cross multiply
   3,608.62x = 5,412.78 × 1,975.52
4. Step 4: Simplify right side
   3,608.62x = 10,693,055.15
5. Step 5: Solve for x
   x = 10,693,055.15/3,608.62
6. Step 6: Final answer
   x = 2,963.20