Finding the Fourth Proportional to 2,387.25, 3,294.41 and 1,339.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,387.25 : 3,294.41 = 1,339.34 : x
2. Step 2: Convert to fraction form
   2,387.25/3,294.41 = 1,339.34/x
3. Step 3: Cross multiply
   2,387.25x = 3,294.41 × 1,339.34
4. Step 4: Simplify right side
   2,387.25x = 4,412,311.92
5. Step 5: Solve for x
   x = 4,412,311.92/2,387.25
6. Step 6: Final answer
   x = 1,848.28