Finding the Fourth Proportional to 2,063.76, 2,846.28 and 1,399.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,063.76 : 2,846.28 = 1,399.52 : x
2. Step 2: Convert to fraction form
   2,063.76/2,846.28 = 1,399.52/x
3. Step 3: Cross multiply
   2,063.76x = 2,846.28 × 1,399.52
4. Step 4: Simplify right side
   2,063.76x = 3,983,425.79
5. Step 5: Solve for x
   x = 3,983,425.79/2,063.76
6. Step 6: Final answer
   x = 1,930.18