Finding the Fourth Proportional to 2,308.23, 3,185.30 and 1,412.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,308.23 : 3,185.30 = 1,412.32 : x
2. Step 2: Convert to fraction form
   2,308.23/3,185.30 = 1,412.32/x
3. Step 3: Cross multiply
   2,308.23x = 3,185.30 × 1,412.32
4. Step 4: Simplify right side
   2,308.23x = 4,498,662.90
5. Step 5: Solve for x
   x = 4,498,662.90/2,308.23
6. Step 6: Final answer
   x = 1,948.97