Finding the Fourth Proportional to 2,789.23, 3,849.11 and 1,530.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,789.23 : 3,849.11 = 1,530.28 : x
2. Step 2: Convert to fraction form
   2,789.23/3,849.11 = 1,530.28/x
3. Step 3: Cross multiply
   2,789.23x = 3,849.11 × 1,530.28
4. Step 4: Simplify right side
   2,789.23x = 5,890,218.95
5. Step 5: Solve for x
   x = 5,890,218.95/2,789.23
6. Step 6: Final answer
   x = 2,111.77