Finding the Fourth Proportional to 2,667.84, 3,681.65 and 1,489.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667.84 : 3,681.65 = 1,489.17 : x
2. Step 2: Convert to fraction form
   2,667.84/3,681.65 = 1,489.17/x
3. Step 3: Cross multiply
   2,667.84x = 3,681.65 × 1,489.17
4. Step 4: Simplify right side
   2,667.84x = 5,482,595.28
5. Step 5: Solve for x
   x = 5,482,595.28/2,667.84
6. Step 6: Final answer
   x = 2,055.07