Finding the Fourth Proportional to 2,722.89, 4,081.55 and 1,845.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,722.89 : 4,081.55 = 1,845.48 : x
2. Step 2: Convert to fraction form
   2,722.89/4,081.55 = 1,845.48/x
3. Step 3: Cross multiply
   2,722.89x = 4,081.55 × 1,845.48
4. Step 4: Simplify right side
   2,722.89x = 7,532,409.67
5. Step 5: Solve for x
   x = 7,532,409.67/2,722.89
6. Step 6: Final answer
   x = 2,766.33