Finding the Fourth Proportional to 2,150.85, 2,968.56 and 1,266.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.85 : 2,968.56 = 1,266.60 : x
2. Step 2: Convert to fraction form
   2,150.85/2,968.56 = 1,266.60/x
3. Step 3: Cross multiply
   2,150.85x = 2,968.56 × 1,266.60
4. Step 4: Simplify right side
   2,150.85x = 3,759,978.10
5. Step 5: Solve for x
   x = 3,759,978.10/2,150.85
6. Step 6: Final answer
   x = 1,748.14