Finding the Fourth Proportional to 7,348.72, 10,144.14 and 5,111.90

Step by Step Solution

1. Step 1: Write the proportion equation
   7,348.72 : 10,144.14 = 5,111.90 : x
2. Step 2: Convert to fraction form
   7,348.72/10,144.14 = 5,111.90/x
3. Step 3: Cross multiply
   7,348.72x = 10,144.14 × 5,111.90
4. Step 4: Simplify right side
   7,348.72x = 51,855,778.55
5. Step 5: Solve for x
   x = 51,855,778.55/7,348.72
6. Step 6: Final answer
   x = 7,056.44