Finding the Fourth Proportional to 2,784.56, 3,843.02 and 1,665.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,784.56 : 3,843.02 = 1,665.48 : x
2. Step 2: Convert to fraction form
   2,784.56/3,843.02 = 1,665.48/x
3. Step 3: Cross multiply
   2,784.56x = 3,843.02 × 1,665.48
4. Step 4: Simplify right side
   2,784.56x = 6,400,464.62
5. Step 5: Solve for x
   x = 6,400,464.62/2,784.56
6. Step 6: Final answer
   x = 2,298.56