Finding the Fourth Proportional to 2,627.49, 3,941.46 and 872.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,627.49 : 3,941.46 = 872.43 : x
2. Step 2: Convert to fraction form
   2,627.49/3,941.46 = 872.43/x
3. Step 3: Cross multiply
   2,627.49x = 3,941.46 × 872.43
4. Step 4: Simplify right side
   2,627.49x = 3,438,647.95
5. Step 5: Solve for x
   x = 3,438,647.95/2,627.49
6. Step 6: Final answer
   x = 1,308.72