Finding the Fourth Proportional to 3,019.32, 4,529.46 and 1,287.96

Step by Step Solution

1. Step 1: Write the proportion equation
   3,019.32 : 4,529.46 = 1,287.96 : x
2. Step 2: Convert to fraction form
   3,019.32/4,529.46 = 1,287.96/x
3. Step 3: Cross multiply
   3,019.32x = 4,529.46 × 1,287.96
4. Step 4: Simplify right side
   3,019.32x = 5,833,763.30
5. Step 5: Solve for x
   x = 5,833,763.30/3,019.32
6. Step 6: Final answer
   x = 1,932.14