Finding the Fourth Proportional to 3,648.63, 5,035.11 and 2,076.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,648.63 : 5,035.11 = 2,076.72 : x
2. Step 2: Convert to fraction form
   3,648.63/5,035.11 = 2,076.72/x
3. Step 3: Cross multiply
   3,648.63x = 5,035.11 × 2,076.72
4. Step 4: Simplify right side
   3,648.63x = 10,456,513.64
5. Step 5: Solve for x
   x = 10,456,513.64/3,648.63
6. Step 6: Final answer
   x = 2,865.87