Finding the Fourth Proportional to 2,124.80, 3,189.22 and 1,304.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,124.80 : 3,189.22 = 1,304.67 : x
2. Step 2: Convert to fraction form
   2,124.80/3,189.22 = 1,304.67/x
3. Step 3: Cross multiply
   2,124.80x = 3,189.22 × 1,304.67
4. Step 4: Simplify right side
   2,124.80x = 4,160,895.69
5. Step 5: Solve for x
   x = 4,160,895.69/2,124.80
6. Step 6: Final answer
   x = 1,958.25