Finding the Fourth Proportional to 3,722.30, 5,581.55 and 1,968.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,722.30 : 5,581.55 = 1,968.25 : x
2. Step 2: Convert to fraction form
   3,722.30/5,581.55 = 1,968.25/x
3. Step 3: Cross multiply
   3,722.30x = 5,581.55 × 1,968.25
4. Step 4: Simplify right side
   3,722.30x = 10,985,848.04
5. Step 5: Solve for x
   x = 10,985,848.04/3,722.30
6. Step 6: Final answer
   x = 2,951.36