Finding the Fourth Proportional to 5,404.28, 8,103.18 and 3,667.64

Step by Step Solution

1. Step 1: Write the proportion equation
   5,404.28 : 8,103.18 = 3,667.64 : x
2. Step 2: Convert to fraction form
   5,404.28/8,103.18 = 3,667.64/x
3. Step 3: Cross multiply
   5,404.28x = 8,103.18 × 3,667.64
4. Step 4: Simplify right side
   5,404.28x = 29,719,547.10
5. Step 5: Solve for x
   x = 29,719,547.10/5,404.28
6. Step 6: Final answer
   x = 5,499.26