Finding the Fourth Proportional to 1,811.96, 2,500.56 and 1,015.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,811.96 : 2,500.56 = 1,015.27 : x
2. Step 2: Convert to fraction form
   1,811.96/2,500.56 = 1,015.27/x
3. Step 3: Cross multiply
   1,811.96x = 2,500.56 × 1,015.27
4. Step 4: Simplify right side
   1,811.96x = 2,538,743.55
5. Step 5: Solve for x
   x = 2,538,743.55/1,811.96
6. Step 6: Final answer
   x = 1,401.10