Finding the Fourth Proportional to 1,467.10, 2,196.60 and 1,143.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,467.10 : 2,196.60 = 1,143.10 : x
2. Step 2: Convert to fraction form
   1,467.10/2,196.60 = 1,143.10/x
3. Step 3: Cross multiply
   1,467.10x = 2,196.60 × 1,143.10
4. Step 4: Simplify right side
   1,467.10x = 2,510,933.46
5. Step 5: Solve for x
   x = 2,510,933.46/1,467.10
6. Step 6: Final answer
   x = 1,711.49