Finding the Fourth Proportional to 11,340.57, 17,011.69 and 3,020.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,340.57 : 17,011.69 = 3,020.56 : x
2. Step 2: Convert to fraction form
   11,340.57/17,011.69 = 3,020.56/x
3. Step 3: Cross multiply
   11,340.57x = 17,011.69 × 3,020.56
4. Step 4: Simplify right side
   11,340.57x = 51,384,780.27
5. Step 5: Solve for x
   x = 51,384,780.27/11,340.57
6. Step 6: Final answer
   x = 4,531.06