Finding the Fourth Proportional to 2,187.72, 3,013.76 and 1,627.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,187.72 : 3,013.76 = 1,627.23 : x
2. Step 2: Convert to fraction form
   2,187.72/3,013.76 = 1,627.23/x
3. Step 3: Cross multiply
   2,187.72x = 3,013.76 × 1,627.23
4. Step 4: Simplify right side
   2,187.72x = 4,904,072.55
5. Step 5: Solve for x
   x = 4,904,072.55/2,187.72
6. Step 6: Final answer
   x = 2,241.64