Finding the Fourth Proportional to 3,219.39, 4,830.84 and 2,124.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,219.39 : 4,830.84 = 2,124.27 : x
2. Step 2: Convert to fraction form
   3,219.39/4,830.84 = 2,124.27/x
3. Step 3: Cross multiply
   3,219.39x = 4,830.84 × 2,124.27
4. Step 4: Simplify right side
   3,219.39x = 10,262,008.49
5. Step 5: Solve for x
   x = 10,262,008.49/3,219.39
6. Step 6: Final answer
   x = 3,187.56