Finding the Fourth Proportional to 2,372.94, 3,559.40 and 1,072.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,372.94 : 3,559.40 = 1,072.89 : x
2. Step 2: Convert to fraction form
   2,372.94/3,559.40 = 1,072.89/x
3. Step 3: Cross multiply
   2,372.94x = 3,559.40 × 1,072.89
4. Step 4: Simplify right side
   2,372.94x = 3,818,839.30
5. Step 5: Solve for x
   x = 3,818,839.30/2,372.94
6. Step 6: Final answer
   x = 1,609.33