Finding the Fourth Proportional to 2,380.93, 3,285.81 and 1,318.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,380.93 : 3,285.81 = 1,318.82 : x
2. Step 2: Convert to fraction form
   2,380.93/3,285.81 = 1,318.82/x
3. Step 3: Cross multiply
   2,380.93x = 3,285.81 × 1,318.82
4. Step 4: Simplify right side
   2,380.93x = 4,333,375.52
5. Step 5: Solve for x
   x = 4,333,375.52/2,380.93
6. Step 6: Final answer
   x = 1,820.04