Finding the Fourth Proportional to 1,371.48, 1,890.98 and 952.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,371.48 : 1,890.98 = 952.18 : x
2. Step 2: Convert to fraction form
   1,371.48/1,890.98 = 952.18/x
3. Step 3: Cross multiply
   1,371.48x = 1,890.98 × 952.18
4. Step 4: Simplify right side
   1,371.48x = 1,800,553.34
5. Step 5: Solve for x
   x = 1,800,553.34/1,371.48
6. Step 6: Final answer
   x = 1,312.85