Finding the Fourth Proportional to 2,316.18, 3,196.32 and 1,268.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,316.18 : 3,196.32 = 1,268.30 : x
2. Step 2: Convert to fraction form
   2,316.18/3,196.32 = 1,268.30/x
3. Step 3: Cross multiply
   2,316.18x = 3,196.32 × 1,268.30
4. Step 4: Simplify right side
   2,316.18x = 4,053,892.66
5. Step 5: Solve for x
   x = 4,053,892.66/2,316.18
6. Step 6: Final answer
   x = 1,750.25