Finding the Fourth Proportional to 2,431.32, 3,354.48 and 1,436.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,431.32 : 3,354.48 = 1,436.82 : x
2. Step 2: Convert to fraction form
   2,431.32/3,354.48 = 1,436.82/x
3. Step 3: Cross multiply
   2,431.32x = 3,354.48 × 1,436.82
4. Step 4: Simplify right side
   2,431.32x = 4,819,783.95
5. Step 5: Solve for x
   x = 4,819,783.95/2,431.32
6. Step 6: Final answer
   x = 1,982.37