Finding the Fourth Proportional to 9,038.16, 13,553.91 and 3,113.37

Step by Step Solution

1. Step 1: Write the proportion equation
   9,038.16 : 13,553.91 = 3,113.37 : x
2. Step 2: Convert to fraction form
   9,038.16/13,553.91 = 3,113.37/x
3. Step 3: Cross multiply
   9,038.16x = 13,553.91 × 3,113.37
4. Step 4: Simplify right side
   9,038.16x = 42,198,336.78
5. Step 5: Solve for x
   x = 42,198,336.78/9,038.16
6. Step 6: Final answer
   x = 4,668.91