Finding the Fourth Proportional to 9,313.98, 12,851.90 and 5,537.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,313.98 : 12,851.90 = 5,537.22 : x
2. Step 2: Convert to fraction form
   9,313.98/12,851.90 = 5,537.22/x
3. Step 3: Cross multiply
   9,313.98x = 12,851.90 × 5,537.22
4. Step 4: Simplify right side
   9,313.98x = 71,163,797.72
5. Step 5: Solve for x
   x = 71,163,797.72/9,313.98
6. Step 6: Final answer
   x = 7,640.54