Finding the Fourth Proportional to 5,185.10, 7,151.82 and 5,013.68

Step by Step Solution

1. Step 1: Write the proportion equation
   5,185.10 : 7,151.82 = 5,013.68 : x
2. Step 2: Convert to fraction form
   5,185.10/7,151.82 = 5,013.68/x
3. Step 3: Cross multiply
   5,185.10x = 7,151.82 × 5,013.68
4. Step 4: Simplify right side
   5,185.10x = 35,856,936.90
5. Step 5: Solve for x
   x = 35,856,936.90/5,185.10
6. Step 6: Final answer
   x = 6,915.38