Finding the Fourth Proportional to 2,568.47, 3,845.72 and 1,333.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,568.47 : 3,845.72 = 1,333.28 : x
2. Step 2: Convert to fraction form
   2,568.47/3,845.72 = 1,333.28/x
3. Step 3: Cross multiply
   2,568.47x = 3,845.72 × 1,333.28
4. Step 4: Simplify right side
   2,568.47x = 5,127,395.67
5. Step 5: Solve for x
   x = 5,127,395.67/2,568.47
6. Step 6: Final answer
   x = 1,996.29