Finding the Fourth Proportional to 2,667.78, 3,681.52 and 1,488.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667.78 : 3,681.52 = 1,488.82 : x
2. Step 2: Convert to fraction form
   2,667.78/3,681.52 = 1,488.82/x
3. Step 3: Cross multiply
   2,667.78x = 3,681.52 × 1,488.82
4. Step 4: Simplify right side
   2,667.78x = 5,481,120.61
5. Step 5: Solve for x
   x = 5,481,120.61/2,667.78
6. Step 6: Final answer
   x = 2,054.56