Finding the Fourth Proportional to 2,316.87, 3,196.32 and 1,686.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,316.87 : 3,196.32 = 1,686.03 : x
2. Step 2: Convert to fraction form
   2,316.87/3,196.32 = 1,686.03/x
3. Step 3: Cross multiply
   2,316.87x = 3,196.32 × 1,686.03
4. Step 4: Simplify right side
   2,316.87x = 5,389,091.41
5. Step 5: Solve for x
   x = 5,389,091.41/2,316.87
6. Step 6: Final answer
   x = 2,326.02