Finding the Fourth Proportional to 2,007.02, 3,010.71 and 546.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,007.02 : 3,010.71 = 546.18 : x
2. Step 2: Convert to fraction form
   2,007.02/3,010.71 = 546.18/x
3. Step 3: Cross multiply
   2,007.02x = 3,010.71 × 546.18
4. Step 4: Simplify right side
   2,007.02x = 1,644,389.59
5. Step 5: Solve for x
   x = 1,644,389.59/2,007.02
6. Step 6: Final answer
   x = 819.32