Finding the Fourth Proportional to 2,333.59, 3,220.82 and 1,339.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,333.59 : 3,220.82 = 1,339.55 : x
2. Step 2: Convert to fraction form
   2,333.59/3,220.82 = 1,339.55/x
3. Step 3: Cross multiply
   2,333.59x = 3,220.82 × 1,339.55
4. Step 4: Simplify right side
   2,333.59x = 4,314,436.68
5. Step 5: Solve for x
   x = 4,314,436.68/2,333.59
6. Step 6: Final answer
   x = 1,848.84