Finding the Fourth Proportional to 2,667.09, 3,680.55 and 1,488.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667.09 : 3,680.55 = 1,488.18 : x
2. Step 2: Convert to fraction form
   2,667.09/3,680.55 = 1,488.18/x
3. Step 3: Cross multiply
   2,667.09x = 3,680.55 × 1,488.18
4. Step 4: Simplify right side
   2,667.09x = 5,477,320.90
5. Step 5: Solve for x
   x = 5,477,320.90/2,667.09
6. Step 6: Final answer
   x = 2,053.67