Finding the Fourth Proportional to 2,667.85, 3,681.64 and 1,488.99

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667.85 : 3,681.64 = 1,488.99 : x
2. Step 2: Convert to fraction form
   2,667.85/3,681.64 = 1,488.99/x
3. Step 3: Cross multiply
   2,667.85x = 3,681.64 × 1,488.99
4. Step 4: Simplify right side
   2,667.85x = 5,481,925.14
5. Step 5: Solve for x
   x = 5,481,925.14/2,667.85
6. Step 6: Final answer
   x = 2,054.81