Finding the Fourth Proportional to 2,773.50, 3,827.43 and 1,531.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,773.50 : 3,827.43 = 1,531.58 : x
2. Step 2: Convert to fraction form
   2,773.50/3,827.43 = 1,531.58/x
3. Step 3: Cross multiply
   2,773.50x = 3,827.43 × 1,531.58
4. Step 4: Simplify right side
   2,773.50x = 5,862,015.24
5. Step 5: Solve for x
   x = 5,862,015.24/2,773.50
6. Step 6: Final answer
   x = 2,113.58