Finding the Fourth Proportional to 2,380.15, 3,284.05 and 1,384.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,380.15 : 3,284.05 = 1,384.83 : x
2. Step 2: Convert to fraction form
   2,380.15/3,284.05 = 1,384.83/x
3. Step 3: Cross multiply
   2,380.15x = 3,284.05 × 1,384.83
4. Step 4: Simplify right side
   2,380.15x = 4,547,850.96
5. Step 5: Solve for x
   x = 4,547,850.96/2,380.15
6. Step 6: Final answer
   x = 1,910.74