Finding the Fourth Proportional to 3,705.52, 5,550.12 and 2,667.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,705.52 : 5,550.12 = 2,667.55 : x
2. Step 2: Convert to fraction form
   3,705.52/5,550.12 = 2,667.55/x
3. Step 3: Cross multiply
   3,705.52x = 5,550.12 × 2,667.55
4. Step 4: Simplify right side
   3,705.52x = 14,805,222.61
5. Step 5: Solve for x
   x = 14,805,222.61/3,705.52
6. Step 6: Final answer
   x = 3,995.45