Finding the Fourth Proportional to 7,736.72, 10,673.88 and 5,085.56

Step by Step Solution

1. Step 1: Write the proportion equation
   7,736.72 : 10,673.88 = 5,085.56 : x
2. Step 2: Convert to fraction form
   7,736.72/10,673.88 = 5,085.56/x
3. Step 3: Cross multiply
   7,736.72x = 10,673.88 × 5,085.56
4. Step 4: Simplify right side
   7,736.72x = 54,282,657.17
5. Step 5: Solve for x
   x = 54,282,657.17/7,736.72
6. Step 6: Final answer
   x = 7,016.24