Finding the Fourth Proportional to 2,379.82, 3,567.68 and 918.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,379.82 : 3,567.68 = 918.17 : x
2. Step 2: Convert to fraction form
   2,379.82/3,567.68 = 918.17/x
3. Step 3: Cross multiply
   2,379.82x = 3,567.68 × 918.17
4. Step 4: Simplify right side
   2,379.82x = 3,275,736.75
5. Step 5: Solve for x
   x = 3,275,736.75/2,379.82
6. Step 6: Final answer
   x = 1,376.46