Finding the Fourth Proportional to 6,116.38, 8,440.67 and 3,321.88

Step by Step Solution

1. Step 1: Write the proportion equation
   6,116.38 : 8,440.67 = 3,321.88 : x
2. Step 2: Convert to fraction form
   6,116.38/8,440.67 = 3,321.88/x
3. Step 3: Cross multiply
   6,116.38x = 8,440.67 × 3,321.88
4. Step 4: Simplify right side
   6,116.38x = 28,038,880.06
5. Step 5: Solve for x
   x = 28,038,880.06/6,116.38
6. Step 6: Final answer
   x = 4,584.23