Finding the Fourth Proportional to 7,724.25, 10,662.71 and 5,486.49

Step by Step Solution

1. Step 1: Write the proportion equation
   7,724.25 : 10,662.71 = 5,486.49 : x
2. Step 2: Convert to fraction form
   7,724.25/10,662.71 = 5,486.49/x
3. Step 3: Cross multiply
   7,724.25x = 10,662.71 × 5,486.49
4. Step 4: Simplify right side
   7,724.25x = 58,500,824.36
5. Step 5: Solve for x
   x = 58,500,824.36/7,724.25
6. Step 6: Final answer
   x = 7,573.66