Finding the Fourth Proportional to 3,648.64, 5,034.56 and 2,076.16

Step by Step Solution

1. Step 1: Write the proportion equation
   3,648.64 : 5,034.56 = 2,076.16 : x
2. Step 2: Convert to fraction form
   3,648.64/5,034.56 = 2,076.16/x
3. Step 3: Cross multiply
   3,648.64x = 5,034.56 × 2,076.16
4. Step 4: Simplify right side
   3,648.64x = 10,452,552.09
5. Step 5: Solve for x
   x = 10,452,552.09/3,648.64
6. Step 6: Final answer
   x = 2,864.78