Finding the Fourth Proportional to 1,458.68, 2,177.82 and 1,443.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,458.68 : 2,177.82 = 1,443.29 : x
2. Step 2: Convert to fraction form
   1,458.68/2,177.82 = 1,443.29/x
3. Step 3: Cross multiply
   1,458.68x = 2,177.82 × 1,443.29
4. Step 4: Simplify right side
   1,458.68x = 3,143,214.94
5. Step 5: Solve for x
   x = 3,143,214.94/1,458.68
6. Step 6: Final answer
   x = 2,154.84