Finding the Fourth Proportional to 2,387.37, 3,294.86 and 1,339.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,387.37 : 3,294.86 = 1,339.59 : x
2. Step 2: Convert to fraction form
   2,387.37/3,294.86 = 1,339.59/x
3. Step 3: Cross multiply
   2,387.37x = 3,294.86 × 1,339.59
4. Step 4: Simplify right side
   2,387.37x = 4,413,754.81
5. Step 5: Solve for x
   x = 4,413,754.81/2,387.37
6. Step 6: Final answer
   x = 1,848.79