Finding the Fourth Proportional to 2,381.37, 3,281.61 and 1,822.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,381.37 : 3,281.61 = 1,822.47 : x
2. Step 2: Convert to fraction form
   2,381.37/3,281.61 = 1,822.47/x
3. Step 3: Cross multiply
   2,381.37x = 3,281.61 × 1,822.47
4. Step 4: Simplify right side
   2,381.37x = 5,980,635.78
5. Step 5: Solve for x
   x = 5,980,635.78/2,381.37
6. Step 6: Final answer
   x = 2,511.43