Finding the Fourth Proportional to 2,723.73, 4,083.90 and 1,261.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,723.73 : 4,083.90 = 1,261.01 : x
2. Step 2: Convert to fraction form
   2,723.73/4,083.90 = 1,261.01/x
3. Step 3: Cross multiply
   2,723.73x = 4,083.90 × 1,261.01
4. Step 4: Simplify right side
   2,723.73x = 5,149,818.32
5. Step 5: Solve for x
   x = 5,149,818.32/2,723.73
6. Step 6: Final answer
   x = 1,890.72