Finding the Fourth Proportional to 2,111.60, 3,168.30 and 1,016.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.60 : 3,168.30 = 1,016.27 : x
2. Step 2: Convert to fraction form
   2,111.60/3,168.30 = 1,016.27/x
3. Step 3: Cross multiply
   2,111.60x = 3,168.30 × 1,016.27
4. Step 4: Simplify right side
   2,111.60x = 3,219,848.24
5. Step 5: Solve for x
   x = 3,219,848.24/2,111.60
6. Step 6: Final answer
   x = 1,524.84