Finding the Fourth Proportional to 2,016.31, 2,782.05 and 1,544.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,016.31 : 2,782.05 = 1,544.77 : x
2. Step 2: Convert to fraction form
   2,016.31/2,782.05 = 1,544.77/x
3. Step 3: Cross multiply
   2,016.31x = 2,782.05 × 1,544.77
4. Step 4: Simplify right side
   2,016.31x = 4,297,627.38
5. Step 5: Solve for x
   x = 4,297,627.38/2,016.31
6. Step 6: Final answer
   x = 2,131.43