Finding the Fourth Proportional to 2,373.41, 3,559.71 and 911.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,373.41 : 3,559.71 = 911.81 : x
2. Step 2: Convert to fraction form
   2,373.41/3,559.71 = 911.81/x
3. Step 3: Cross multiply
   2,373.41x = 3,559.71 × 911.81
4. Step 4: Simplify right side
   2,373.41x = 3,245,779.18
5. Step 5: Solve for x
   x = 3,245,779.18/2,373.41
6. Step 6: Final answer
   x = 1,367.56