Finding the Fourth Proportional to 1,443.29, 2,174.01 and 1,314.11

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443.29 : 2,174.01 = 1,314.11 : x
2. Step 2: Convert to fraction form
   1,443.29/2,174.01 = 1,314.11/x
3. Step 3: Cross multiply
   1,443.29x = 2,174.01 × 1,314.11
4. Step 4: Simplify right side
   1,443.29x = 2,856,877.41
5. Step 5: Solve for x
   x = 2,856,877.41/1,443.29
6. Step 6: Final answer
   x = 1,979.43