Finding the Fourth Proportional to 2,524.59, 3,788.73 and 1,431.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,524.59 : 3,788.73 = 1,431.09 : x
2. Step 2: Convert to fraction form
   2,524.59/3,788.73 = 1,431.09/x
3. Step 3: Cross multiply
   2,524.59x = 3,788.73 × 1,431.09
4. Step 4: Simplify right side
   2,524.59x = 5,422,013.62
5. Step 5: Solve for x
   x = 5,422,013.62/2,524.59
6. Step 6: Final answer
   x = 2,147.68