Finding the Fourth Proportional to 2,761.89, 3,811.77 and 1,583.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,761.89 : 3,811.77 = 1,583.22 : x
2. Step 2: Convert to fraction form
   2,761.89/3,811.77 = 1,583.22/x
3. Step 3: Cross multiply
   2,761.89x = 3,811.77 × 1,583.22
4. Step 4: Simplify right side
   2,761.89x = 6,034,870.50
5. Step 5: Solve for x
   x = 6,034,870.50/2,761.89
6. Step 6: Final answer
   x = 2,185.05