Finding the Fourth Proportional to 9,280.26, 13,920.83 and 3,040.63

Step by Step Solution

1. Step 1: Write the proportion equation
   9,280.26 : 13,920.83 = 3,040.63 : x
2. Step 2: Convert to fraction form
   9,280.26/13,920.83 = 3,040.63/x
3. Step 3: Cross multiply
   9,280.26x = 13,920.83 × 3,040.63
4. Step 4: Simplify right side
   9,280.26x = 42,328,054.72
5. Step 5: Solve for x
   x = 42,328,054.72/9,280.26
6. Step 6: Final answer
   x = 4,561.09