Finding the Fourth Proportional to 7,141.22, 10,707.72 and 2,758.10

Step by Step Solution

1. Step 1: Write the proportion equation
   7,141.22 : 10,707.72 = 2,758.10 : x
2. Step 2: Convert to fraction form
   7,141.22/10,707.72 = 2,758.10/x
3. Step 3: Cross multiply
   7,141.22x = 10,707.72 × 2,758.10
4. Step 4: Simplify right side
   7,141.22x = 29,532,962.53
5. Step 5: Solve for x
   x = 29,532,962.53/7,141.22
6. Step 6: Final answer
   x = 4,135.56