Finding the Fourth Proportional to 2,773.72, 3,827.73 and 1,531.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,773.72 : 3,827.73 = 1,531.72 : x
2. Step 2: Convert to fraction form
   2,773.72/3,827.73 = 1,531.72/x
3. Step 3: Cross multiply
   2,773.72x = 3,827.73 × 1,531.72
4. Step 4: Simplify right side
   2,773.72x = 5,863,010.60
5. Step 5: Solve for x
   x = 5,863,010.60/2,773.72
6. Step 6: Final answer
   x = 2,113.77