Finding the Fourth Proportional to 9,280.09, 13,918.72 and 3,040.75

Step by Step Solution

1. Step 1: Write the proportion equation
   9,280.09 : 13,918.72 = 3,040.75 : x
2. Step 2: Convert to fraction form
   9,280.09/13,918.72 = 3,040.75/x
3. Step 3: Cross multiply
   9,280.09x = 13,918.72 × 3,040.75
4. Step 4: Simplify right side
   9,280.09x = 42,323,347.84
5. Step 5: Solve for x
   x = 42,323,347.84/9,280.09
6. Step 6: Final answer
   x = 4,560.66