Finding the Fourth Proportional to 2,667.40, 3,681.15 and 1,488.49

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667.40 : 3,681.15 = 1,488.49 : x
2. Step 2: Convert to fraction form
   2,667.40/3,681.15 = 1,488.49/x
3. Step 3: Cross multiply
   2,667.40x = 3,681.15 × 1,488.49
4. Step 4: Simplify right side
   2,667.40x = 5,479,354.96
5. Step 5: Solve for x
   x = 5,479,354.96/2,667.40
6. Step 6: Final answer
   x = 2,054.19