Finding the Fourth Proportional to 5,119.85, 7,679.82 and 1,422.37

Step by Step Solution

1. Step 1: Write the proportion equation
   5,119.85 : 7,679.82 = 1,422.37 : x
2. Step 2: Convert to fraction form
   5,119.85/7,679.82 = 1,422.37/x
3. Step 3: Cross multiply
   5,119.85x = 7,679.82 × 1,422.37
4. Step 4: Simplify right side
   5,119.85x = 10,923,500.06
5. Step 5: Solve for x
   x = 10,923,500.06/5,119.85
6. Step 6: Final answer
   x = 2,133.56