Finding the Fourth Proportional to 3,645.98, 5,033.32 and 2,154.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,645.98 : 5,033.32 = 2,154.42 : x
2. Step 2: Convert to fraction form
   3,645.98/5,033.32 = 2,154.42/x
3. Step 3: Cross multiply
   3,645.98x = 5,033.32 × 2,154.42
4. Step 4: Simplify right side
   3,645.98x = 10,843,885.27
5. Step 5: Solve for x
   x = 10,843,885.27/3,645.98
6. Step 6: Final answer
   x = 2,974.20