Finding the Fourth Proportional to 3,677.15, 5,071.75 and 2,667.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,677.15 : 5,071.75 = 2,667.42 : x
2. Step 2: Convert to fraction form
   3,677.15/5,071.75 = 2,667.42/x
3. Step 3: Cross multiply
   3,677.15x = 5,071.75 × 2,667.42
4. Step 4: Simplify right side
   3,677.15x = 13,528,480.72
5. Step 5: Solve for x
   x = 13,528,480.72/3,677.15
6. Step 6: Final answer
   x = 3,679.06