Finding the Fourth Proportional to 1,782.89, 2,458.89 and 1,335.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,782.89 : 2,458.89 = 1,335.81 : x
2. Step 2: Convert to fraction form
   1,782.89/2,458.89 = 1,335.81/x
3. Step 3: Cross multiply
   1,782.89x = 2,458.89 × 1,335.81
4. Step 4: Simplify right side
   1,782.89x = 3,284,594.22
5. Step 5: Solve for x
   x = 3,284,594.22/1,782.89
6. Step 6: Final answer
   x = 1,842.29