Finding the Fourth Proportional to 1,540.89, 2,126.82 and 951.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,540.89 : 2,126.82 = 951.09 : x
2. Step 2: Convert to fraction form
   1,540.89/2,126.82 = 951.09/x
3. Step 3: Cross multiply
   1,540.89x = 2,126.82 × 951.09
4. Step 4: Simplify right side
   1,540.89x = 2,022,792.82
5. Step 5: Solve for x
   x = 2,022,792.82/1,540.89
6. Step 6: Final answer
   x = 1,312.74