Finding the Fourth Proportional to 5,444.89, 8,155.59 and 3,680.20

Step by Step Solution

1. Step 1: Write the proportion equation
   5,444.89 : 8,155.59 = 3,680.20 : x
2. Step 2: Convert to fraction form
   5,444.89/8,155.59 = 3,680.20/x
3. Step 3: Cross multiply
   5,444.89x = 8,155.59 × 3,680.20
4. Step 4: Simplify right side
   5,444.89x = 30,014,198.71
5. Step 5: Solve for x
   x = 30,014,198.71/5,444.89
6. Step 6: Final answer
   x = 5,512.36