Finding the Fourth Proportional to 3,839.55, 5,752.33 and 2,667.07

Step by Step Solution

1. Step 1: Write the proportion equation
   3,839.55 : 5,752.33 = 2,667.07 : x
2. Step 2: Convert to fraction form
   3,839.55/5,752.33 = 2,667.07/x
3. Step 3: Cross multiply
   3,839.55x = 5,752.33 × 2,667.07
4. Step 4: Simplify right side
   3,839.55x = 15,341,853.44
5. Step 5: Solve for x
   x = 15,341,853.44/3,839.55
6. Step 6: Final answer
   x = 3,995.75