Finding the Fourth Proportional to 2,387.76, 3,295.10 and 1,339.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,387.76 : 3,295.10 = 1,339.82 : x
2. Step 2: Convert to fraction form
   2,387.76/3,295.10 = 1,339.82/x
3. Step 3: Cross multiply
   2,387.76x = 3,295.10 × 1,339.82
4. Step 4: Simplify right side
   2,387.76x = 4,414,840.88
5. Step 5: Solve for x
   x = 4,414,840.88/2,387.76
6. Step 6: Final answer
   x = 1,848.95