Finding the Fourth Proportional to 8,915.38, 12,305.94 and 5,331.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,915.38 : 12,305.94 = 5,331.82 : x
2. Step 2: Convert to fraction form
   8,915.38/12,305.94 = 5,331.82/x
3. Step 3: Cross multiply
   8,915.38x = 12,305.94 × 5,331.82
4. Step 4: Simplify right side
   8,915.38x = 65,613,057.01
5. Step 5: Solve for x
   x = 65,613,057.01/8,915.38
6. Step 6: Final answer
   x = 7,359.54