Finding the Fourth Proportional to 2,316.45, 3,196.38 and 1,308.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,316.45 : 3,196.38 = 1,308.03 : x
2. Step 2: Convert to fraction form
   2,316.45/3,196.38 = 1,308.03/x
3. Step 3: Cross multiply
   2,316.45x = 3,196.38 × 1,308.03
4. Step 4: Simplify right side
   2,316.45x = 4,180,960.93
5. Step 5: Solve for x
   x = 4,180,960.93/2,316.45
6. Step 6: Final answer
   x = 1,804.90