Finding the Fourth Proportional to 2,362.08, 3,258.72 and 1,431.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,362.08 : 3,258.72 = 1,431.12 : x
2. Step 2: Convert to fraction form
   2,362.08/3,258.72 = 1,431.12/x
3. Step 3: Cross multiply
   2,362.08x = 3,258.72 × 1,431.12
4. Step 4: Simplify right side
   2,362.08x = 4,663,619.37
5. Step 5: Solve for x
   x = 4,663,619.37/2,362.08
6. Step 6: Final answer
   x = 1,974.37