Finding the Fourth Proportional to 1,627.10, 2,443.05 and 1,262.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,627.10 : 2,443.05 = 1,262.30 : x
2. Step 2: Convert to fraction form
   1,627.10/2,443.05 = 1,262.30/x
3. Step 3: Cross multiply
   1,627.10x = 2,443.05 × 1,262.30
4. Step 4: Simplify right side
   1,627.10x = 3,083,862.02
5. Step 5: Solve for x
   x = 3,083,862.02/1,627.10
6. Step 6: Final answer
   x = 1,895.31