Finding the Fourth Proportional to 2,379.32, 3,568.62 and 918.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,379.32 : 3,568.62 = 918.29 : x
2. Step 2: Convert to fraction form
   2,379.32/3,568.62 = 918.29/x
3. Step 3: Cross multiply
   2,379.32x = 3,568.62 × 918.29
4. Step 4: Simplify right side
   2,379.32x = 3,277,010.22
5. Step 5: Solve for x
   x = 3,277,010.22/2,379.32
6. Step 6: Final answer
   x = 1,377.29