Finding the Fourth Proportional to 2,152.10, 2,969.21 and 1,268.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,152.10 : 2,969.21 = 1,268.21 : x
2. Step 2: Convert to fraction form
   2,152.10/2,969.21 = 1,268.21/x
3. Step 3: Cross multiply
   2,152.10x = 2,969.21 × 1,268.21
4. Step 4: Simplify right side
   2,152.10x = 3,765,560.63
5. Step 5: Solve for x
   x = 3,765,560.63/2,152.10
6. Step 6: Final answer
   x = 1,749.72