Finding the Fourth Proportional to 3,981.96, 5,495.72 and 3,036.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,981.96 : 5,495.72 = 3,036.15 : x
2. Step 2: Convert to fraction form
   3,981.96/5,495.72 = 3,036.15/x
3. Step 3: Cross multiply
   3,981.96x = 5,495.72 × 3,036.15
4. Step 4: Simplify right side
   3,981.96x = 16,685,815.10
5. Step 5: Solve for x
   x = 16,685,815.10/3,981.96
6. Step 6: Final answer
   x = 4,190.35