Finding the Fourth Proportional to 2,372.58, 3,559.02 and 911.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,372.58 : 3,559.02 = 911.82 : x
2. Step 2: Convert to fraction form
   2,372.58/3,559.02 = 911.82/x
3. Step 3: Cross multiply
   2,372.58x = 3,559.02 × 911.82
4. Step 4: Simplify right side
   2,372.58x = 3,245,185.62
5. Step 5: Solve for x
   x = 3,245,185.62/2,372.58
6. Step 6: Final answer
   x = 1,367.79