Finding the Fourth Proportional to 9,280.10, 13,919.96 and 2,260.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,280.10 : 13,919.96 = 2,260.16 : x
2. Step 2: Convert to fraction form
   9,280.10/13,919.96 = 2,260.16/x
3. Step 3: Cross multiply
   9,280.10x = 13,919.96 × 2,260.16
4. Step 4: Simplify right side
   9,280.10x = 31,461,255.89
5. Step 5: Solve for x
   x = 31,461,255.89/9,280.10
6. Step 6: Final answer
   x = 3,390.19