Finding the Fourth Proportional to 1,371.72, 2,057.94 and 1,196.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,371.72 : 2,057.94 = 1,196.76 : x
2. Step 2: Convert to fraction form
   1,371.72/2,057.94 = 1,196.76/x
3. Step 3: Cross multiply
   1,371.72x = 2,057.94 × 1,196.76
4. Step 4: Simplify right side
   1,371.72x = 2,462,860.27
5. Step 5: Solve for x
   x = 2,462,860.27/1,371.72
6. Step 6: Final answer
   x = 1,795.45