Finding the Fourth Proportional to 3,603.85, 5,404.86 and 1,382.22

Step by Step Solution

1. Step 1: Write the proportion equation
   3,603.85 : 5,404.86 = 1,382.22 : x
2. Step 2: Convert to fraction form
   3,603.85/5,404.86 = 1,382.22/x
3. Step 3: Cross multiply
   3,603.85x = 5,404.86 × 1,382.22
4. Step 4: Simplify right side
   3,603.85x = 7,470,705.59
5. Step 5: Solve for x
   x = 7,470,705.59/3,603.85
6. Step 6: Final answer
   x = 2,072.98