Finding the Fourth Proportional to 1,540.51, 2,126.18 and 951.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,540.51 : 2,126.18 = 951.10 : x
2. Step 2: Convert to fraction form
   1,540.51/2,126.18 = 951.10/x
3. Step 3: Cross multiply
   1,540.51x = 2,126.18 × 951.10
4. Step 4: Simplify right side
   1,540.51x = 2,022,209.80
5. Step 5: Solve for x
   x = 2,022,209.80/1,540.51
6. Step 6: Final answer
   x = 1,312.69