Finding the Fourth Proportional to 5,710.72, 7,850.56 and 4,911.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,710.72 : 7,850.56 = 4,911.10 : x
2. Step 2: Convert to fraction form
   5,710.72/7,850.56 = 4,911.10/x
3. Step 3: Cross multiply
   5,710.72x = 7,850.56 × 4,911.10
4. Step 4: Simplify right side
   5,710.72x = 38,554,885.22
5. Step 5: Solve for x
   x = 38,554,885.22/5,710.72
6. Step 6: Final answer
   x = 6,751.32