Finding the Fourth Proportional to 2,150.51, 2,967.55 and 1,266.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.51 : 2,967.55 = 1,266.12 : x
2. Step 2: Convert to fraction form
   2,150.51/2,967.55 = 1,266.12/x
3. Step 3: Cross multiply
   2,150.51x = 2,967.55 × 1,266.12
4. Step 4: Simplify right side
   2,150.51x = 3,757,271.24
5. Step 5: Solve for x
   x = 3,757,271.24/2,150.51
6. Step 6: Final answer
   x = 1,747.16