Finding the Fourth Proportional to 2,627.01, 3,940.21 and 1,065.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,627.01 : 3,940.21 = 1,065.43 : x
2. Step 2: Convert to fraction form
   2,627.01/3,940.21 = 1,065.43/x
3. Step 3: Cross multiply
   2,627.01x = 3,940.21 × 1,065.43
4. Step 4: Simplify right side
   2,627.01x = 4,198,017.94
5. Step 5: Solve for x
   x = 4,198,017.94/2,627.01
6. Step 6: Final answer
   x = 1,598.02