Finding the Fourth Proportional to 2,667.45, 3,681.21 and 1,488.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667.45 : 3,681.21 = 1,488.57 : x
2. Step 2: Convert to fraction form
   2,667.45/3,681.21 = 1,488.57/x
3. Step 3: Cross multiply
   2,667.45x = 3,681.21 × 1,488.57
4. Step 4: Simplify right side
   2,667.45x = 5,479,738.77
5. Step 5: Solve for x
   x = 5,479,738.77/2,667.45
6. Step 6: Final answer
   x = 2,054.30