Finding the Fourth Proportional to 2,458.89, 3,393.34 and 1,339.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,458.89 : 3,393.34 = 1,339.77 : x
2. Step 2: Convert to fraction form
   2,458.89/3,393.34 = 1,339.77/x
3. Step 3: Cross multiply
   2,458.89x = 3,393.34 × 1,339.77
4. Step 4: Simplify right side
   2,458.89x = 4,546,290.00
5. Step 5: Solve for x
   x = 4,546,290.00/2,458.89
6. Step 6: Final answer
   x = 1,848.92