Finding the Fourth Proportional to 2,381.62, 3,281.96 and 1,822.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,381.62 : 3,281.96 = 1,822.72 : x
2. Step 2: Convert to fraction form
   2,381.62/3,281.96 = 1,822.72/x
3. Step 3: Cross multiply
   2,381.62x = 3,281.96 × 1,822.72
4. Step 4: Simplify right side
   2,381.62x = 5,982,085.02
5. Step 5: Solve for x
   x = 5,982,085.02/2,381.62
6. Step 6: Final answer
   x = 2,511.77