Finding the Fourth Proportional to 5,404.28, 8,108.88 and 2,443.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,404.28 : 8,108.88 = 2,443.50 : x
2. Step 2: Convert to fraction form
   5,404.28/8,108.88 = 2,443.50/x
3. Step 3: Cross multiply
   5,404.28x = 8,108.88 × 2,443.50
4. Step 4: Simplify right side
   5,404.28x = 19,814,048.28
5. Step 5: Solve for x
   x = 19,814,048.28/5,404.28
6. Step 6: Final answer
   x = 3,666.36