Finding the Fourth Proportional to 2,316.43, 3,196.60 and 1,268.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,316.43 : 3,196.60 = 1,268.47 : x
2. Step 2: Convert to fraction form
   2,316.43/3,196.60 = 1,268.47/x
3. Step 3: Cross multiply
   2,316.43x = 3,196.60 × 1,268.47
4. Step 4: Simplify right side
   2,316.43x = 4,054,791.20
5. Step 5: Solve for x
   x = 4,054,791.20/2,316.43
6. Step 6: Final answer
   x = 1,750.45