Finding the Fourth Proportional to 5,680.56, 7,839.08 and 3,196.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,680.56 : 7,839.08 = 3,196.56 : x
2. Step 2: Convert to fraction form
   5,680.56/7,839.08 = 3,196.56/x
3. Step 3: Cross multiply
   5,680.56x = 7,839.08 × 3,196.56
4. Step 4: Simplify right side
   5,680.56x = 25,058,089.56
5. Step 5: Solve for x
   x = 25,058,089.56/5,680.56
6. Step 6: Final answer
   x = 4,411.20