Finding the Fourth Proportional to 1,782.39, 2,460.54 and 1,340.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,782.39 : 2,460.54 = 1,340.46 : x
2. Step 2: Convert to fraction form
   1,782.39/2,460.54 = 1,340.46/x
3. Step 3: Cross multiply
   1,782.39x = 2,460.54 × 1,340.46
4. Step 4: Simplify right side
   1,782.39x = 3,298,255.45
5. Step 5: Solve for x
   x = 3,298,255.45/1,782.39
6. Step 6: Final answer
   x = 1,850.47