Finding the Fourth Proportional to 1,540.74, 2,126.22 and 951.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,540.74 : 2,126.22 = 951.27 : x
2. Step 2: Convert to fraction form
   1,540.74/2,126.22 = 951.27/x
3. Step 3: Cross multiply
   1,540.74x = 2,126.22 × 951.27
4. Step 4: Simplify right side
   1,540.74x = 2,022,609.30
5. Step 5: Solve for x
   x = 2,022,609.30/1,540.74
6. Step 6: Final answer
   x = 1,312.75