Finding the Fourth Proportional to 3,603.39, 5,405.09 and 1,104.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,603.39 : 5,405.09 = 1,104.59 : x
2. Step 2: Convert to fraction form
   3,603.39/5,405.09 = 1,104.59/x
3. Step 3: Cross multiply
   3,603.39x = 5,405.09 × 1,104.59
4. Step 4: Simplify right side
   3,603.39x = 5,970,411.50
5. Step 5: Solve for x
   x = 5,970,411.50/3,603.39
6. Step 6: Final answer
   x = 1,656.89