Finding the Fourth Proportional to 3,982.55, 5,495.31 and 2,303.62

Step by Step Solution

1. Step 1: Write the proportion equation
   3,982.55 : 5,495.31 = 2,303.62 : x
2. Step 2: Convert to fraction form
   3,982.55/5,495.31 = 2,303.62/x
3. Step 3: Cross multiply
   3,982.55x = 5,495.31 × 2,303.62
4. Step 4: Simplify right side
   3,982.55x = 12,659,092.28
5. Step 5: Solve for x
   x = 12,659,092.28/3,982.55
6. Step 6: Final answer
   x = 3,178.64