Finding the Fourth Proportional to 6,640.03, 9,946.69 and 3,077.16

Step by Step Solution

1. Step 1: Write the proportion equation
   6,640.03 : 9,946.69 = 3,077.16 : x
2. Step 2: Convert to fraction form
   6,640.03/9,946.69 = 3,077.16/x
3. Step 3: Cross multiply
   6,640.03x = 9,946.69 × 3,077.16
4. Step 4: Simplify right side
   6,640.03x = 30,607,560.45
5. Step 5: Solve for x
   x = 30,607,560.45/6,640.03
6. Step 6: Final answer
   x = 4,609.55