Finding the Fourth Proportional to 2,334.39, 3,221.34 and 1,339.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,334.39 : 3,221.34 = 1,339.92 : x
2. Step 2: Convert to fraction form
   2,334.39/3,221.34 = 1,339.92/x
3. Step 3: Cross multiply
   2,334.39x = 3,221.34 × 1,339.92
4. Step 4: Simplify right side
   2,334.39x = 4,316,337.89
5. Step 5: Solve for x
   x = 4,316,337.89/2,334.39
6. Step 6: Final answer
   x = 1,849.02