Finding the Fourth Proportional to 2,008.49, 3,012.89 and 547.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,008.49 : 3,012.89 = 547.61 : x
2. Step 2: Convert to fraction form
   2,008.49/3,012.89 = 547.61/x
3. Step 3: Cross multiply
   2,008.49x = 3,012.89 × 547.61
4. Step 4: Simplify right side
   2,008.49x = 1,649,870.89
5. Step 5: Solve for x
   x = 1,649,870.89/2,008.49
6. Step 6: Final answer
   x = 821.45