Finding the Fourth Proportional to 2,493.72, 3,441.12 and 1,431.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,493.72 : 3,441.12 = 1,431.47 : x
2. Step 2: Convert to fraction form
   2,493.72/3,441.12 = 1,431.47/x
3. Step 3: Cross multiply
   2,493.72x = 3,441.12 × 1,431.47
4. Step 4: Simplify right side
   2,493.72x = 4,925,863.28
5. Step 5: Solve for x
   x = 4,925,863.28/2,493.72
6. Step 6: Final answer
   x = 1,975.31