Finding the Fourth Proportional to 2,007.31, 3,010.60 and 546.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.31 : 3,010.60 = 546.28 : x
2. Step 2: Convert to fraction form
   2,007.31/3,010.60 = 546.28/x
3. Step 3: Cross multiply
   2,007.31x = 3,010.60 × 546.28
4. Step 4: Simplify right side
   2,007.31x = 1,644,630.57
5. Step 5: Solve for x
   x = 1,644,630.57/2,007.31
6. Step 6: Final answer
   x = 819.32