Finding the Fourth Proportional to 2,372.87, 3,559.32 and 1,072.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,372.87 : 3,559.32 = 1,072.82 : x
2. Step 2: Convert to fraction form
   2,372.87/3,559.32 = 1,072.82/x
3. Step 3: Cross multiply
   2,372.87x = 3,559.32 × 1,072.82
4. Step 4: Simplify right side
   2,372.87x = 3,818,491.89
5. Step 5: Solve for x
   x = 3,818,491.89/2,372.87
6. Step 6: Final answer
   x = 1,609.23