Finding the Fourth Proportional to 5,139.37, 7,704.94 and 4,849.59

Step by Step Solution

1. Step 1: Write the proportion equation
   5,139.37 : 7,704.94 = 4,849.59 : x
2. Step 2: Convert to fraction form
   5,139.37/7,704.94 = 4,849.59/x
3. Step 3: Cross multiply
   5,139.37x = 7,704.94 × 4,849.59
4. Step 4: Simplify right side
   5,139.37x = 37,365,799.97
5. Step 5: Solve for x
   x = 37,365,799.97/5,139.37
6. Step 6: Final answer
   x = 7,270.50