Finding the Fourth Proportional to 2,316.34, 3,196.20 and 1,308.16

Step by Step Solution

1. Step 1: Write the proportion equation
   2,316.34 : 3,196.20 = 1,308.16 : x
2. Step 2: Convert to fraction form
   2,316.34/3,196.20 = 1,308.16/x
3. Step 3: Cross multiply
   2,316.34x = 3,196.20 × 1,308.16
4. Step 4: Simplify right side
   2,316.34x = 4,181,140.99
5. Step 5: Solve for x
   x = 4,181,140.99/2,316.34
6. Step 6: Final answer
   x = 1,805.06