Finding the Fourth Proportional to 3,667.28, 5,474.08 and 3,150.60

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.28 : 5,474.08 = 3,150.60 : x
2. Step 2: Convert to fraction form
   3,667.28/5,474.08 = 3,150.60/x
3. Step 3: Cross multiply
   3,667.28x = 5,474.08 × 3,150.60
4. Step 4: Simplify right side
   3,667.28x = 17,246,619.86
5. Step 5: Solve for x
   x = 17,246,619.86/3,667.28
6. Step 6: Final answer
   x = 4,702.84