Finding the Fourth Proportional to 3,667.91, 5,475.16 and 3,397.19

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.91 : 5,475.16 = 3,397.19 : x
2. Step 2: Convert to fraction form
   3,667.91/5,475.16 = 3,397.19/x
3. Step 3: Cross multiply
   3,667.91x = 5,475.16 × 3,397.19
4. Step 4: Simplify right side
   3,667.91x = 18,600,135.67
5. Step 5: Solve for x
   x = 18,600,135.67/3,667.91
6. Step 6: Final answer
   x = 5,071.05