Finding the Fourth Proportional to 2,316.38, 3,196.69 and 1,268.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,316.38 : 3,196.69 = 1,268.45 : x
2. Step 2: Convert to fraction form
   2,316.38/3,196.69 = 1,268.45/x
3. Step 3: Cross multiply
   2,316.38x = 3,196.69 × 1,268.45
4. Step 4: Simplify right side
   2,316.38x = 4,054,822.28
5. Step 5: Solve for x
   x = 4,054,822.28/2,316.38
6. Step 6: Final answer
   x = 1,750.50