Finding the Fourth Proportional to 1,371.72, 1,891.93 and 952.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,371.72 : 1,891.93 = 952.07 : x
2. Step 2: Convert to fraction form
   1,371.72/1,891.93 = 952.07/x
3. Step 3: Cross multiply
   1,371.72x = 1,891.93 × 952.07
4. Step 4: Simplify right side
   1,371.72x = 1,801,249.80
5. Step 5: Solve for x
   x = 1,801,249.80/1,371.72
6. Step 6: Final answer
   x = 1,313.13