Finding the Fourth Proportional to 9,103.82, 13,665.45 and 3,913.34

Step by Step Solution

1. Step 1: Write the proportion equation
   9,103.82 : 13,665.45 = 3,913.34 : x
2. Step 2: Convert to fraction form
   9,103.82/13,665.45 = 3,913.34/x
3. Step 3: Cross multiply
   9,103.82x = 13,665.45 × 3,913.34
4. Step 4: Simplify right side
   9,103.82x = 53,477,552.10
5. Step 5: Solve for x
   x = 53,477,552.10/9,103.82
6. Step 6: Final answer
   x = 5,874.19