Finding the Fourth Proportional to 1,443.65, 2,167.20 and 1,371.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443.65 : 2,167.20 = 1,371.02 : x
2. Step 2: Convert to fraction form
   1,443.65/2,167.20 = 1,371.02/x
3. Step 3: Cross multiply
   1,443.65x = 2,167.20 × 1,371.02
4. Step 4: Simplify right side
   1,443.65x = 2,971,263.71
5. Step 5: Solve for x
   x = 2,971,263.71/1,443.65
6. Step 6: Final answer
   x = 2,058.17