Finding the Fourth Proportional to 1,495.89, 2,243.30 and 630.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,495.89 : 2,243.30 = 630.27 : x
2. Step 2: Convert to fraction form
   1,495.89/2,243.30 = 630.27/x
3. Step 3: Cross multiply
   1,495.89x = 2,243.30 × 630.27
4. Step 4: Simplify right side
   1,495.89x = 1,413,881.54
5. Step 5: Solve for x
   x = 1,413,881.54/1,495.89
6. Step 6: Final answer
   x = 945.18