Finding the Fourth Proportional to 8,265.67, 11,401.83 and 5,278.16

Step by Step Solution

1. Step 1: Write the proportion equation
   8,265.67 : 11,401.83 = 5,278.16 : x
2. Step 2: Convert to fraction form
   8,265.67/11,401.83 = 5,278.16/x
3. Step 3: Cross multiply
   8,265.67x = 11,401.83 × 5,278.16
4. Step 4: Simplify right side
   8,265.67x = 60,180,711.54
5. Step 5: Solve for x
   x = 60,180,711.54/8,265.67
6. Step 6: Final answer
   x = 7,280.80