Finding the Fourth Proportional to 5,585.38, 8,379.50 and 3,945.14

Step by Step Solution

1. Step 1: Write the proportion equation
   5,585.38 : 8,379.50 = 3,945.14 : x
2. Step 2: Convert to fraction form
   5,585.38/8,379.50 = 3,945.14/x
3. Step 3: Cross multiply
   5,585.38x = 8,379.50 × 3,945.14
4. Step 4: Simplify right side
   5,585.38x = 33,058,300.63
5. Step 5: Solve for x
   x = 33,058,300.63/5,585.38
6. Step 6: Final answer
   x = 5,918.72