Finding the Fourth Proportional to 3,642.33, 5,458.56 and 1,665.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,642.33 : 5,458.56 = 1,665.53 : x
2. Step 2: Convert to fraction form
   3,642.33/5,458.56 = 1,665.53/x
3. Step 3: Cross multiply
   3,642.33x = 5,458.56 × 1,665.53
4. Step 4: Simplify right side
   3,642.33x = 9,091,382.37
5. Step 5: Solve for x
   x = 9,091,382.37/3,642.33
6. Step 6: Final answer
   x = 2,496.03