Finding the Fourth Proportional to 9,303.98, 12,801.97 and 9,082.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,303.98 : 12,801.97 = 9,082.55 : x
2. Step 2: Convert to fraction form
   9,303.98/12,801.97 = 9,082.55/x
3. Step 3: Cross multiply
   9,303.98x = 12,801.97 × 9,082.55
4. Step 4: Simplify right side
   9,303.98x = 116,274,491.32
5. Step 5: Solve for x
   x = 116,274,491.32/9,303.98
6. Step 6: Final answer
   x = 12,497.29