Finding the Fourth Proportional to 3,648.98, 5,034.74 and 2,076.77

Step by Step Solution

1. Step 1: Write the proportion equation
   3,648.98 : 5,034.74 = 2,076.77 : x
2. Step 2: Convert to fraction form
   3,648.98/5,034.74 = 2,076.77/x
3. Step 3: Cross multiply
   3,648.98x = 5,034.74 × 2,076.77
4. Step 4: Simplify right side
   3,648.98x = 10,455,961.43
5. Step 5: Solve for x
   x = 10,455,961.43/3,648.98
6. Step 6: Final answer
   x = 2,865.45