Finding the Fourth Proportional to 1,371.01, 1,890.34 and 951.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,371.01 : 1,890.34 = 951.72 : x
2. Step 2: Convert to fraction form
   1,371.01/1,890.34 = 951.72/x
3. Step 3: Cross multiply
   1,371.01x = 1,890.34 × 951.72
4. Step 4: Simplify right side
   1,371.01x = 1,799,074.38
5. Step 5: Solve for x
   x = 1,799,074.38/1,371.01
6. Step 6: Final answer
   x = 1,312.23