Finding the Fourth Proportional to 3,667.82, 5,502.26 and 1,328

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.82 : 5,502.26 = 1,328 : x
2. Step 2: Convert to fraction form
   3,667.82/5,502.26 = 1,328/x
3. Step 3: Cross multiply
   3,667.82x = 5,502.26 × 1,328
4. Step 4: Simplify right side
   3,667.82x = 7,307,001.28
5. Step 5: Solve for x
   x = 7,307,001.28/3,667.82
6. Step 6: Final answer
   x = 1,992.19