Finding the Fourth Proportional to 3,820.50, 5,271.67 and 2,328.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,820.50 : 5,271.67 = 2,328.88 : x
2. Step 2: Convert to fraction form
   3,820.50/5,271.67 = 2,328.88/x
3. Step 3: Cross multiply
   3,820.50x = 5,271.67 × 2,328.88
4. Step 4: Simplify right side
   3,820.50x = 12,277,086.83
5. Step 5: Solve for x
   x = 12,277,086.83/3,820.50
6. Step 6: Final answer
   x = 3,213.48