Finding the Fourth Proportional to 5,936.42, 8,229.72 and 5,620.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,936.42 : 8,229.72 = 5,620.42 : x
2. Step 2: Convert to fraction form
   5,936.42/8,229.72 = 5,620.42/x
3. Step 3: Cross multiply
   5,936.42x = 8,229.72 × 5,620.42
4. Step 4: Simplify right side
   5,936.42x = 46,254,514.25
5. Step 5: Solve for x
   x = 46,254,514.25/5,936.42
6. Step 6: Final answer
   x = 7,791.65