Finding the Fourth Proportional to 3,665.46, 5,499.05 and 1,200.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,665.46 : 5,499.05 = 1,200.27 : x
2. Step 2: Convert to fraction form
   3,665.46/5,499.05 = 1,200.27/x
3. Step 3: Cross multiply
   3,665.46x = 5,499.05 × 1,200.27
4. Step 4: Simplify right side
   3,665.46x = 6,600,338.74
5. Step 5: Solve for x
   x = 6,600,338.74/3,665.46
6. Step 6: Final answer
   x = 1,800.68