Finding the Fourth Proportional to 2,865.82, 4,289.15 and 1,632.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,865.82 : 4,289.15 = 1,632.89 : x
2. Step 2: Convert to fraction form
   2,865.82/4,289.15 = 1,632.89/x
3. Step 3: Cross multiply
   2,865.82x = 4,289.15 × 1,632.89
4. Step 4: Simplify right side
   2,865.82x = 7,003,736.05
5. Step 5: Solve for x
   x = 7,003,736.05/2,865.82
6. Step 6: Final answer
   x = 2,443.89