Finding the Fourth Proportional to 2,368.69, 3,268.86 and 1,320.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,368.69 : 3,268.86 = 1,320.82 : x
2. Step 2: Convert to fraction form
   2,368.69/3,268.86 = 1,320.82/x
3. Step 3: Cross multiply
   2,368.69x = 3,268.86 × 1,320.82
4. Step 4: Simplify right side
   2,368.69x = 4,317,562.54
5. Step 5: Solve for x
   x = 4,317,562.54/2,368.69
6. Step 6: Final answer
   x = 1,822.77