Finding the Fourth Proportional to 1,518.56, 2,093.67 and 1,020.81

Step by Step Solution

1. Step 1: Write the proportion equation
   1,518.56 : 2,093.67 = 1,020.81 : x
2. Step 2: Convert to fraction form
   1,518.56/2,093.67 = 1,020.81/x
3. Step 3: Cross multiply
   1,518.56x = 2,093.67 × 1,020.81
4. Step 4: Simplify right side
   1,518.56x = 2,137,239.27
5. Step 5: Solve for x
   x = 2,137,239.27/1,518.56
6. Step 6: Final answer
   x = 1,407.41