Finding the Fourth Proportional to 7,179.10, 10,758.12 and 5,103.10

Step by Step Solution

1. Step 1: Write the proportion equation
   7,179.10 : 10,758.12 = 5,103.10 : x
2. Step 2: Convert to fraction form
   7,179.10/10,758.12 = 5,103.10/x
3. Step 3: Cross multiply
   7,179.10x = 10,758.12 × 5,103.10
4. Step 4: Simplify right side
   7,179.10x = 54,899,762.17
5. Step 5: Solve for x
   x = 54,899,762.17/7,179.10
6. Step 6: Final answer
   x = 7,647.16