Finding the Fourth Proportional to 3,667.28, 5,474.28 and 3,396.94

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.28 : 5,474.28 = 3,396.94 : x
2. Step 2: Convert to fraction form
   3,667.28/5,474.28 = 3,396.94/x
3. Step 3: Cross multiply
   3,667.28x = 5,474.28 × 3,396.94
4. Step 4: Simplify right side
   3,667.28x = 18,595,799.76
5. Step 5: Solve for x
   x = 18,595,799.76/3,667.28
6. Step 6: Final answer
   x = 5,070.74