Finding the Fourth Proportional to 6,085.22, 8,388.78 and 5,242.28

Step by Step Solution

1. Step 1: Write the proportion equation
   6,085.22 : 8,388.78 = 5,242.28 : x
2. Step 2: Convert to fraction form
   6,085.22/8,388.78 = 5,242.28/x
3. Step 3: Cross multiply
   6,085.22x = 8,388.78 × 5,242.28
4. Step 4: Simplify right side
   6,085.22x = 43,976,333.62
5. Step 5: Solve for x
   x = 43,976,333.62/6,085.22
6. Step 6: Final answer
   x = 7,226.75