Finding the Fourth Proportional to 2,789.69, 3,846.90 and 1,950.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,789.69 : 3,846.90 = 1,950.09 : x
2. Step 2: Convert to fraction form
   2,789.69/3,846.90 = 1,950.09/x
3. Step 3: Cross multiply
   2,789.69x = 3,846.90 × 1,950.09
4. Step 4: Simplify right side
   2,789.69x = 7,501,801.22
5. Step 5: Solve for x
   x = 7,501,801.22/2,789.69
6. Step 6: Final answer
   x = 2,689.11