Finding the Fourth Proportional to 3,553.27, 4,906.78 and 2,667.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,553.27 : 4,906.78 = 2,667.53 : x
2. Step 2: Convert to fraction form
   3,553.27/4,906.78 = 2,667.53/x
3. Step 3: Cross multiply
   3,553.27x = 4,906.78 × 2,667.53
4. Step 4: Simplify right side
   3,553.27x = 13,088,988.45
5. Step 5: Solve for x
   x = 13,088,988.45/3,553.27
6. Step 6: Final answer
   x = 3,683.65