Finding the Fourth Proportional to 2,832.85, 3,910.71 and 1,889.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,832.85 : 3,910.71 = 1,889.20 : x
2. Step 2: Convert to fraction form
   2,832.85/3,910.71 = 1,889.20/x
3. Step 3: Cross multiply
   2,832.85x = 3,910.71 × 1,889.20
4. Step 4: Simplify right side
   2,832.85x = 7,388,113.33
5. Step 5: Solve for x
   x = 7,388,113.33/2,832.85
6. Step 6: Final answer
   x = 2,608.01