Finding the Fourth Proportional to 3,453.30, 4,768.95 and 2,196.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,453.30 : 4,768.95 = 2,196.72 : x
2. Step 2: Convert to fraction form
   3,453.30/4,768.95 = 2,196.72/x
3. Step 3: Cross multiply
   3,453.30x = 4,768.95 × 2,196.72
4. Step 4: Simplify right side
   3,453.30x = 10,476,047.84
5. Step 5: Solve for x
   x = 10,476,047.84/3,453.30
6. Step 6: Final answer
   x = 3,033.63