Finding the Fourth Proportional to 2,379.42, 3,283.23 and 1,384.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,379.42 : 3,283.23 = 1,384.62 : x
2. Step 2: Convert to fraction form
   2,379.42/3,283.23 = 1,384.62/x
3. Step 3: Cross multiply
   2,379.42x = 3,283.23 × 1,384.62
4. Step 4: Simplify right side
   2,379.42x = 4,546,025.92
5. Step 5: Solve for x
   x = 4,546,025.92/2,379.42
6. Step 6: Final answer
   x = 1,910.56