Finding the Fourth Proportional to 2,380.06, 3,284.61 and 1,331.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,380.06 : 3,284.61 = 1,331.94 : x
2. Step 2: Convert to fraction form
   2,380.06/3,284.61 = 1,331.94/x
3. Step 3: Cross multiply
   2,380.06x = 3,284.61 × 1,331.94
4. Step 4: Simplify right side
   2,380.06x = 4,374,903.44
5. Step 5: Solve for x
   x = 4,374,903.44/2,380.06
6. Step 6: Final answer
   x = 1,838.15