Finding the Fourth Proportional to 9,280.95, 12,805.90 and 5,503.41

Step by Step Solution

1. Step 1: Write the proportion equation
   9,280.95 : 12,805.90 = 5,503.41 : x
2. Step 2: Convert to fraction form
   9,280.95/12,805.90 = 5,503.41/x
3. Step 3: Cross multiply
   9,280.95x = 12,805.90 × 5,503.41
4. Step 4: Simplify right side
   9,280.95x = 70,476,118.12
5. Step 5: Solve for x
   x = 70,476,118.12/9,280.95
6. Step 6: Final answer
   x = 7,593.63