Finding the Fourth Proportional to 3,669.17, 5,504.37 and 1,820.35

Step by Step Solution

1. Step 1: Write the proportion equation
   3,669.17 : 5,504.37 = 1,820.35 : x
2. Step 2: Convert to fraction form
   3,669.17/5,504.37 = 1,820.35/x
3. Step 3: Cross multiply
   3,669.17x = 5,504.37 × 1,820.35
4. Step 4: Simplify right side
   3,669.17x = 10,019,879.93
5. Step 5: Solve for x
   x = 10,019,879.93/3,669.17
6. Step 6: Final answer
   x = 2,730.83