Finding the Fourth Proportional to 7,910.38, 10,915.98 and 4,553.31

Step by Step Solution

1. Step 1: Write the proportion equation
   7,910.38 : 10,915.98 = 4,553.31 : x
2. Step 2: Convert to fraction form
   7,910.38/10,915.98 = 4,553.31/x
3. Step 3: Cross multiply
   7,910.38x = 10,915.98 × 4,553.31
4. Step 4: Simplify right side
   7,910.38x = 49,703,840.89
5. Step 5: Solve for x
   x = 49,703,840.89/7,910.38
6. Step 6: Final answer
   x = 6,283.37