Finding the Fourth Proportional to 2,111.20, 3,166.77 and 1,014.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.20 : 3,166.77 = 1,014.96 : x
2. Step 2: Convert to fraction form
   2,111.20/3,166.77 = 1,014.96/x
3. Step 3: Cross multiply
   2,111.20x = 3,166.77 × 1,014.96
4. Step 4: Simplify right side
   2,111.20x = 3,214,144.88
5. Step 5: Solve for x
   x = 3,214,144.88/2,111.20
6. Step 6: Final answer
   x = 1,522.43