Finding the Fourth Proportional to 2,382.87, 3,288.31 and 1,374.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,382.87 : 3,288.31 = 1,374.57 : x
2. Step 2: Convert to fraction form
   2,382.87/3,288.31 = 1,374.57/x
3. Step 3: Cross multiply
   2,382.87x = 3,288.31 × 1,374.57
4. Step 4: Simplify right side
   2,382.87x = 4,520,003.46
5. Step 5: Solve for x
   x = 4,520,003.46/2,382.87
6. Step 6: Final answer
   x = 1,896.88