Finding the Fourth Proportional to 2,043.21, 3,078.45 and 1,848.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,043.21 : 3,078.45 = 1,848.43 : x
2. Step 2: Convert to fraction form
   2,043.21/3,078.45 = 1,848.43/x
3. Step 3: Cross multiply
   2,043.21x = 3,078.45 × 1,848.43
4. Step 4: Simplify right side
   2,043.21x = 5,690,299.33
5. Step 5: Solve for x
   x = 5,690,299.33/2,043.21
6. Step 6: Final answer
   x = 2,784.98