Finding the Fourth Proportional to 5,377.46, 7,421.00 and 3,019.59

Step by Step Solution

1. Step 1: Write the proportion equation
   5,377.46 : 7,421.00 = 3,019.59 : x
2. Step 2: Convert to fraction form
   5,377.46/7,421.00 = 3,019.59/x
3. Step 3: Cross multiply
   5,377.46x = 7,421.00 × 3,019.59
4. Step 4: Simplify right side
   5,377.46x = 22,408,362.29
5. Step 5: Solve for x
   x = 22,408,362.29/5,377.46
6. Step 6: Final answer
   x = 4,167.09