Finding the Fourth Proportional to 1,518.57, 2,287.46 and 1,426.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,518.57 : 2,287.46 = 1,426.33 : x
2. Step 2: Convert to fraction form
   1,518.57/2,287.46 = 1,426.33/x
3. Step 3: Cross multiply
   1,518.57x = 2,287.46 × 1,426.33
4. Step 4: Simplify right side
   1,518.57x = 3,262,672.82
5. Step 5: Solve for x
   x = 3,262,672.82/1,518.57
6. Step 6: Final answer
   x = 2,148.52