Finding the Fourth Proportional to 3,408.88, 5,113.17 and 1,068.83

Step by Step Solution

1. Step 1: Write the proportion equation
   3,408.88 : 5,113.17 = 1,068.83 : x
2. Step 2: Convert to fraction form
   3,408.88/5,113.17 = 1,068.83/x
3. Step 3: Cross multiply
   3,408.88x = 5,113.17 × 1,068.83
4. Step 4: Simplify right side
   3,408.88x = 5,465,083.93
5. Step 5: Solve for x
   x = 5,465,083.93/3,408.88
6. Step 6: Final answer
   x = 1,603.19