Finding the Fourth Proportional to 5,100.18, 7,031.79 and 3,328.98

Step by Step Solution

1. Step 1: Write the proportion equation
   5,100.18 : 7,031.79 = 3,328.98 : x
2. Step 2: Convert to fraction form
   5,100.18/7,031.79 = 3,328.98/x
3. Step 3: Cross multiply
   5,100.18x = 7,031.79 × 3,328.98
4. Step 4: Simplify right side
   5,100.18x = 23,408,688.27
5. Step 5: Solve for x
   x = 23,408,688.27/5,100.18
6. Step 6: Final answer
   x = 4,589.78