Finding the Fourth Proportional to 1,815.18, 2,714.43 and 1,353.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,815.18 : 2,714.43 = 1,353.27 : x
2. Step 2: Convert to fraction form
   1,815.18/2,714.43 = 1,353.27/x
3. Step 3: Cross multiply
   1,815.18x = 2,714.43 × 1,353.27
4. Step 4: Simplify right side
   1,815.18x = 3,673,356.69
5. Step 5: Solve for x
   x = 3,673,356.69/1,815.18
6. Step 6: Final answer
   x = 2,023.69