Finding the Fourth Proportional to 6,020.31, 9,042.72 and 4,628.80

Step by Step Solution

1. Step 1: Write the proportion equation
   6,020.31 : 9,042.72 = 4,628.80 : x
2. Step 2: Convert to fraction form
   6,020.31/9,042.72 = 4,628.80/x
3. Step 3: Cross multiply
   6,020.31x = 9,042.72 × 4,628.80
4. Step 4: Simplify right side
   6,020.31x = 41,856,942.34
5. Step 5: Solve for x
   x = 41,856,942.34/6,020.31
6. Step 6: Final answer
   x = 6,952.62