Finding the Fourth Proportional to 9,113.16, 12,576.66 and 5,338.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,113.16 : 12,576.66 = 5,338.82 : x
2. Step 2: Convert to fraction form
   9,113.16/12,576.66 = 5,338.82/x
3. Step 3: Cross multiply
   9,113.16x = 12,576.66 × 5,338.82
4. Step 4: Simplify right side
   9,113.16x = 67,144,523.94
5. Step 5: Solve for x
   x = 67,144,523.94/9,113.16
6. Step 6: Final answer
   x = 7,367.86