Finding the Fourth Proportional to 3,984.89, 5,498.76 and 2,305.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,984.89 : 5,498.76 = 2,305.96 : x
2. Step 2: Convert to fraction form
   3,984.89/5,498.76 = 2,305.96/x
3. Step 3: Cross multiply
   3,984.89x = 5,498.76 × 2,305.96
4. Step 4: Simplify right side
   3,984.89x = 12,679,920.61
5. Step 5: Solve for x
   x = 12,679,920.61/3,984.89
6. Step 6: Final answer
   x = 3,182.00