Finding the Fourth Proportional to 5,581.89, 8,372.56 and 2,072.58

Step by Step Solution

1. Step 1: Write the proportion equation
   5,581.89 : 8,372.56 = 2,072.58 : x
2. Step 2: Convert to fraction form
   5,581.89/8,372.56 = 2,072.58/x
3. Step 3: Cross multiply
   5,581.89x = 8,372.56 × 2,072.58
4. Step 4: Simplify right side
   5,581.89x = 17,352,800.40
5. Step 5: Solve for x
   x = 17,352,800.40/5,581.89
6. Step 6: Final answer
   x = 3,108.77