Finding the Fourth Proportional to 3,665.62, 5,495.10 and 1,355.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,665.62 : 5,495.10 = 1,355.50 : x
2. Step 2: Convert to fraction form
   3,665.62/5,495.10 = 1,355.50/x
3. Step 3: Cross multiply
   3,665.62x = 5,495.10 × 1,355.50
4. Step 4: Simplify right side
   3,665.62x = 7,448,608.05
5. Step 5: Solve for x
   x = 7,448,608.05/3,665.62
6. Step 6: Final answer
   x = 2,032.02