Finding the Fourth Proportional to 6,622.72, 9,928.62 and 3,110.92

Step by Step Solution

1. Step 1: Write the proportion equation
   6,622.72 : 9,928.62 = 3,110.92 : x
2. Step 2: Convert to fraction form
   6,622.72/9,928.62 = 3,110.92/x
3. Step 3: Cross multiply
   6,622.72x = 9,928.62 × 3,110.92
4. Step 4: Simplify right side
   6,622.72x = 30,887,142.53
5. Step 5: Solve for x
   x = 30,887,142.53/6,622.72
6. Step 6: Final answer
   x = 4,663.82