Finding the Fourth Proportional to 9,280.13, 13,921.79 and 3,038.37

Step by Step Solution

1. Step 1: Write the proportion equation
   9,280.13 : 13,921.79 = 3,038.37 : x
2. Step 2: Convert to fraction form
   9,280.13/13,921.79 = 3,038.37/x
3. Step 3: Cross multiply
   9,280.13x = 13,921.79 × 3,038.37
4. Step 4: Simplify right side
   9,280.13x = 42,299,533.89
5. Step 5: Solve for x
   x = 42,299,533.89/9,280.13
6. Step 6: Final answer
   x = 4,558.08