Finding the Fourth Proportional to 2,667.66, 3,996.57 and 1,370.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667.66 : 3,996.57 = 1,370.22 : x
2. Step 2: Convert to fraction form
   2,667.66/3,996.57 = 1,370.22/x
3. Step 3: Cross multiply
   2,667.66x = 3,996.57 × 1,370.22
4. Step 4: Simplify right side
   2,667.66x = 5,476,180.15
5. Step 5: Solve for x
   x = 5,476,180.15/2,667.66
6. Step 6: Final answer
   x = 2,052.80