Finding the Fourth Proportional to 2,144.60, 3,218.61 and 1,840.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,144.60 : 3,218.61 = 1,840.04 : x
2. Step 2: Convert to fraction form
   2,144.60/3,218.61 = 1,840.04/x
3. Step 3: Cross multiply
   2,144.60x = 3,218.61 × 1,840.04
4. Step 4: Simplify right side
   2,144.60x = 5,922,371.14
5. Step 5: Solve for x
   x = 5,922,371.14/2,144.60
6. Step 6: Final answer
   x = 2,761.53