Finding the Fourth Proportional to 3,984.47, 5,499.23 and 2,305.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,984.47 : 5,499.23 = 2,305.59 : x
2. Step 2: Convert to fraction form
   3,984.47/5,499.23 = 2,305.59/x
3. Step 3: Cross multiply
   3,984.47x = 5,499.23 × 2,305.59
4. Step 4: Simplify right side
   3,984.47x = 12,678,969.70
5. Step 5: Solve for x
   x = 12,678,969.70/3,984.47
6. Step 6: Final answer
   x = 3,182.10