Finding the Fourth Proportional to 11,522.45, 17,283.56 and 5,280.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,522.45 : 17,283.56 = 5,280.69 : x
2. Step 2: Convert to fraction form
   11,522.45/17,283.56 = 5,280.69/x
3. Step 3: Cross multiply
   11,522.45x = 17,283.56 × 5,280.69
4. Step 4: Simplify right side
   11,522.45x = 91,269,096.05
5. Step 5: Solve for x
   x = 91,269,096.05/11,522.45
6. Step 6: Final answer
   x = 7,920.98