Finding the Fourth Proportional to 2,339.47, 3,227.36 and 1,394.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,339.47 : 3,227.36 = 1,394.72 : x
2. Step 2: Convert to fraction form
   2,339.47/3,227.36 = 1,394.72/x
3. Step 3: Cross multiply
   2,339.47x = 3,227.36 × 1,394.72
4. Step 4: Simplify right side
   2,339.47x = 4,501,263.54
5. Step 5: Solve for x
   x = 4,501,263.54/2,339.47
6. Step 6: Final answer
   x = 1,924.06