Finding the Fourth Proportional to 2,380.95, 3,285.68 and 1,333.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,380.95 : 3,285.68 = 1,333.05 : x
2. Step 2: Convert to fraction form
   2,380.95/3,285.68 = 1,333.05/x
3. Step 3: Cross multiply
   2,380.95x = 3,285.68 × 1,333.05
4. Step 4: Simplify right side
   2,380.95x = 4,379,969.06
5. Step 5: Solve for x
   x = 4,379,969.06/2,380.95
6. Step 6: Final answer
   x = 1,839.59