Finding the Fourth Proportional to 2,180.46, 3,007.94 and 1,382.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,180.46 : 3,007.94 = 1,382.48 : x
2. Step 2: Convert to fraction form
   2,180.46/3,007.94 = 1,382.48/x
3. Step 3: Cross multiply
   2,180.46x = 3,007.94 × 1,382.48
4. Step 4: Simplify right side
   2,180.46x = 4,158,416.89
5. Step 5: Solve for x
   x = 4,158,416.89/2,180.46
6. Step 6: Final answer
   x = 1,907.13