Finding the Fourth Proportional to 2,347.98, 3,240.50 and 1,339.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,347.98 : 3,240.50 = 1,339.93 : x
2. Step 2: Convert to fraction form
   2,347.98/3,240.50 = 1,339.93/x
3. Step 3: Cross multiply
   2,347.98x = 3,240.50 × 1,339.93
4. Step 4: Simplify right side
   2,347.98x = 4,342,043.17
5. Step 5: Solve for x
   x = 4,342,043.17/2,347.98
6. Step 6: Final answer
   x = 1,849.27