Finding the Fourth Proportional to 3,656.96, 5,046.48 and 2,085.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,656.96 : 5,046.48 = 2,085.56 : x
2. Step 2: Convert to fraction form
   3,656.96/5,046.48 = 2,085.56/x
3. Step 3: Cross multiply
   3,656.96x = 5,046.48 × 2,085.56
4. Step 4: Simplify right side
   3,656.96x = 10,524,736.83
5. Step 5: Solve for x
   x = 10,524,736.83/3,656.96
6. Step 6: Final answer
   x = 2,878.00