Finding the Fourth Proportional to 3,612.53, 5,418.71 and 1,664.73

Step by Step Solution

1. Step 1: Write the proportion equation
   3,612.53 : 5,418.71 = 1,664.73 : x
2. Step 2: Convert to fraction form
   3,612.53/5,418.71 = 1,664.73/x
3. Step 3: Cross multiply
   3,612.53x = 5,418.71 × 1,664.73
4. Step 4: Simplify right side
   3,612.53x = 9,020,681.54
5. Step 5: Solve for x
   x = 9,020,681.54/3,612.53
6. Step 6: Final answer
   x = 2,497.06