Finding the Fourth Proportional to 2,525.40, 3,789.57 and 1,064.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,525.40 : 3,789.57 = 1,064.43 : x
2. Step 2: Convert to fraction form
   2,525.40/3,789.57 = 1,064.43/x
3. Step 3: Cross multiply
   2,525.40x = 3,789.57 × 1,064.43
4. Step 4: Simplify right side
   2,525.40x = 4,033,732.00
5. Step 5: Solve for x
   x = 4,033,732.00/2,525.40
6. Step 6: Final answer
   x = 1,597.26