Finding the Fourth Proportional to 2,455.86, 3,389.12 and 1,336.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,455.86 : 3,389.12 = 1,336.83 : x
2. Step 2: Convert to fraction form
   2,455.86/3,389.12 = 1,336.83/x
3. Step 3: Cross multiply
   2,455.86x = 3,389.12 × 1,336.83
4. Step 4: Simplify right side
   2,455.86x = 4,530,677.29
5. Step 5: Solve for x
   x = 4,530,677.29/2,455.86
6. Step 6: Final answer
   x = 1,844.84