Finding the Fourth Proportional to 5,144.58, 7,720.56 and 3,849.48

Step by Step Solution

1. Step 1: Write the proportion equation
   5,144.58 : 7,720.56 = 3,849.48 : x
2. Step 2: Convert to fraction form
   5,144.58/7,720.56 = 3,849.48/x
3. Step 3: Cross multiply
   5,144.58x = 7,720.56 × 3,849.48
4. Step 4: Simplify right side
   5,144.58x = 29,720,141.31
5. Step 5: Solve for x
   x = 29,720,141.31/5,144.58
6. Step 6: Final answer
   x = 5,776.98