Finding the Fourth Proportional to 2,379.33, 3,283.46 and 1,317.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,379.33 : 3,283.46 = 1,317.12 : x
2. Step 2: Convert to fraction form
   2,379.33/3,283.46 = 1,317.12/x
3. Step 3: Cross multiply
   2,379.33x = 3,283.46 × 1,317.12
4. Step 4: Simplify right side
   2,379.33x = 4,324,704.25
5. Step 5: Solve for x
   x = 4,324,704.25/2,379.33
6. Step 6: Final answer
   x = 1,817.61