Finding the Fourth Proportional to 3,005.35, 4,500.72 and 2,078.29

Step by Step Solution

1. Step 1: Write the proportion equation
   3,005.35 : 4,500.72 = 2,078.29 : x
2. Step 2: Convert to fraction form
   3,005.35/4,500.72 = 2,078.29/x
3. Step 3: Cross multiply
   3,005.35x = 4,500.72 × 2,078.29
4. Step 4: Simplify right side
   3,005.35x = 9,353,801.37
5. Step 5: Solve for x
   x = 9,353,801.37/3,005.35
6. Step 6: Final answer
   x = 3,112.38