Finding the Fourth Proportional to 2,773.75, 3,827.78 and 1,531.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,773.75 : 3,827.78 = 1,531.83 : x
2. Step 2: Convert to fraction form
   2,773.75/3,827.78 = 1,531.83/x
3. Step 3: Cross multiply
   2,773.75x = 3,827.78 × 1,531.83
4. Step 4: Simplify right side
   2,773.75x = 5,863,500.58
5. Step 5: Solve for x
   x = 5,863,500.58/2,773.75
6. Step 6: Final answer
   x = 2,113.93