Finding the Fourth Proportional to 3,603.75, 5,404.65 and 1,382.10

Step by Step Solution

1. Step 1: Write the proportion equation
   3,603.75 : 5,404.65 = 1,382.10 : x
2. Step 2: Convert to fraction form
   3,603.75/5,404.65 = 1,382.10/x
3. Step 3: Cross multiply
   3,603.75x = 5,404.65 × 1,382.10
4. Step 4: Simplify right side
   3,603.75x = 7,469,766.77
5. Step 5: Solve for x
   x = 7,469,766.77/3,603.75
6. Step 6: Final answer
   x = 2,072.78