Finding the Fourth Proportional to 7,085.58, 10,662.18 and 5,845.20

Step by Step Solution

1. Step 1: Write the proportion equation
   7,085.58 : 10,662.18 = 5,845.20 : x
2. Step 2: Convert to fraction form
   7,085.58/10,662.18 = 5,845.20/x
3. Step 3: Cross multiply
   7,085.58x = 10,662.18 × 5,845.20
4. Step 4: Simplify right side
   7,085.58x = 62,322,574.54
5. Step 5: Solve for x
   x = 62,322,574.54/7,085.58
6. Step 6: Final answer
   x = 8,795.69