Finding the Fourth Proportional to 2,316.25, 3,196.47 and 1,268.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,316.25 : 3,196.47 = 1,268.38 : x
2. Step 2: Convert to fraction form
   2,316.25/3,196.47 = 1,268.38/x
3. Step 3: Cross multiply
   2,316.25x = 3,196.47 × 1,268.38
4. Step 4: Simplify right side
   2,316.25x = 4,054,338.62
5. Step 5: Solve for x
   x = 4,054,338.62/2,316.25
6. Step 6: Final answer
   x = 1,750.39