Finding the Fourth Proportional to 3,648.47, 5,034.89 and 2,076.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,648.47 : 5,034.89 = 2,076.55 : x
2. Step 2: Convert to fraction form
   3,648.47/5,034.89 = 2,076.55/x
3. Step 3: Cross multiply
   3,648.47x = 5,034.89 × 2,076.55
4. Step 4: Simplify right side
   3,648.47x = 10,455,193.43
5. Step 5: Solve for x
   x = 10,455,193.43/3,648.47
6. Step 6: Final answer
   x = 2,865.64