Finding the Fourth Proportional to 10,980.72, 16,470.09 and 3,082.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,980.72 : 16,470.09 = 3,082.59 : x
2. Step 2: Convert to fraction form
   10,980.72/16,470.09 = 3,082.59/x
3. Step 3: Cross multiply
   10,980.72x = 16,470.09 × 3,082.59
4. Step 4: Simplify right side
   10,980.72x = 50,770,534.73
5. Step 5: Solve for x
   x = 50,770,534.73/10,980.72
6. Step 6: Final answer
   x = 4,623.61