Finding the Fourth Proportional to 2,825.20, 4,238.00 and 1,046.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,825.20 : 4,238.00 = 1,046.43 : x
2. Step 2: Convert to fraction form
   2,825.20/4,238.00 = 1,046.43/x
3. Step 3: Cross multiply
   2,825.20x = 4,238.00 × 1,046.43
4. Step 4: Simplify right side
   2,825.20x = 4,434,758.64
5. Step 5: Solve for x
   x = 4,434,758.64/2,825.20
6. Step 6: Final answer
   x = 1,569.71