Finding the Fourth Proportional to 2,667.55, 3,681.27 and 1,488.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667.55 : 3,681.27 = 1,488.70 : x
2. Step 2: Convert to fraction form
   2,667.55/3,681.27 = 1,488.70/x
3. Step 3: Cross multiply
   2,667.55x = 3,681.27 × 1,488.70
4. Step 4: Simplify right side
   2,667.55x = 5,480,306.65
5. Step 5: Solve for x
   x = 5,480,306.65/2,667.55
6. Step 6: Final answer
   x = 2,054.43