Finding the Fourth Proportional to 2,444, 3,372.72 and 1,340

Step by Step Solution

1. Step 1: Write the proportion equation
   2,444 : 3,372.72 = 1,340 : x
2. Step 2: Convert to fraction form
   2,444/3,372.72 = 1,340/x
3. Step 3: Cross multiply
   2,444x = 3,372.72 × 1,340
4. Step 4: Simplify right side
   2,444x = 4,519,444.80
5. Step 5: Solve for x
   x = 4,519,444.80/2,444
6. Step 6: Final answer
   x = 1,849.20