Finding the Fourth Proportional to 5,409.27, 8,103.36 and 3,554.73

Step by Step Solution

1. Step 1: Write the proportion equation
   5,409.27 : 8,103.36 = 3,554.73 : x
2. Step 2: Convert to fraction form
   5,409.27/8,103.36 = 3,554.73/x
3. Step 3: Cross multiply
   5,409.27x = 8,103.36 × 3,554.73
4. Step 4: Simplify right side
   5,409.27x = 28,805,256.89
5. Step 5: Solve for x
   x = 28,805,256.89/5,409.27
6. Step 6: Final answer
   x = 5,325.17