Finding the Fourth Proportional to 2,825.68, 4,236.72 and 1,266.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,825.68 : 4,236.72 = 1,266.16 : x
2. Step 2: Convert to fraction form
   2,825.68/4,236.72 = 1,266.16/x
3. Step 3: Cross multiply
   2,825.68x = 4,236.72 × 1,266.16
4. Step 4: Simplify right side
   2,825.68x = 5,364,365.40
5. Step 5: Solve for x
   x = 5,364,365.40/2,825.68
6. Step 6: Final answer
   x = 1,898.43