Finding the Fourth Proportional to 2,667.72, 3,681.47 and 1,488.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667.72 : 3,681.47 = 1,488.86 : x
2. Step 2: Convert to fraction form
   2,667.72/3,681.47 = 1,488.86/x
3. Step 3: Cross multiply
   2,667.72x = 3,681.47 × 1,488.86
4. Step 4: Simplify right side
   2,667.72x = 5,481,167.57
5. Step 5: Solve for x
   x = 5,481,167.57/2,667.72
6. Step 6: Final answer
   x = 2,054.63