Finding the Fourth Proportional to 9,280.52, 13,896.15 and 7,259.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,280.52 : 13,896.15 = 7,259.06 : x
2. Step 2: Convert to fraction form
   9,280.52/13,896.15 = 7,259.06/x
3. Step 3: Cross multiply
   9,280.52x = 13,896.15 × 7,259.06
4. Step 4: Simplify right side
   9,280.52x = 100,872,986.62
5. Step 5: Solve for x
   x = 100,872,986.62/9,280.52
6. Step 6: Final answer
   x = 10,869.32