Finding the Fourth Proportional to 5,128.49, 7,694.67 and 2,010.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,128.49 : 7,694.67 = 2,010.72 : x
2. Step 2: Convert to fraction form
   5,128.49/7,694.67 = 2,010.72/x
3. Step 3: Cross multiply
   5,128.49x = 7,694.67 × 2,010.72
4. Step 4: Simplify right side
   5,128.49x = 15,471,826.86
5. Step 5: Solve for x
   x = 15,471,826.86/5,128.49
6. Step 6: Final answer
   x = 3,016.84