Finding the Fourth Proportional to 3,680.54, 5,521.86 and 1,083.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,680.54 : 5,521.86 = 1,083.47 : x
2. Step 2: Convert to fraction form
   3,680.54/5,521.86 = 1,083.47/x
3. Step 3: Cross multiply
   3,680.54x = 5,521.86 × 1,083.47
4. Step 4: Simplify right side
   3,680.54x = 5,982,742.04
5. Step 5: Solve for x
   x = 5,982,742.04/3,680.54
6. Step 6: Final answer
   x = 1,625.51