Finding the Fourth Proportional to 7,076.45, 9,768.66 and 5,188.04

Step by Step Solution

1. Step 1: Write the proportion equation
   7,076.45 : 9,768.66 = 5,188.04 : x
2. Step 2: Convert to fraction form
   7,076.45/9,768.66 = 5,188.04/x
3. Step 3: Cross multiply
   7,076.45x = 9,768.66 × 5,188.04
4. Step 4: Simplify right side
   7,076.45x = 50,680,198.83
5. Step 5: Solve for x
   x = 50,680,198.83/7,076.45
6. Step 6: Final answer
   x = 7,161.81