Finding the Fourth Proportional to 2,253.48, 3,111.33 and 2,016.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,253.48 : 3,111.33 = 2,016.71 : x
2. Step 2: Convert to fraction form
   2,253.48/3,111.33 = 2,016.71/x
3. Step 3: Cross multiply
   2,253.48x = 3,111.33 × 2,016.71
4. Step 4: Simplify right side
   2,253.48x = 6,274,650.32
5. Step 5: Solve for x
   x = 6,274,650.32/2,253.48
6. Step 6: Final answer
   x = 2,784.43