Finding the Fourth Proportional to 3,520.67, 4,860.76 and 2,196.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,520.67 : 4,860.76 = 2,196.32 : x
2. Step 2: Convert to fraction form
   3,520.67/4,860.76 = 2,196.32/x
3. Step 3: Cross multiply
   3,520.67x = 4,860.76 × 2,196.32
4. Step 4: Simplify right side
   3,520.67x = 10,675,758.73
5. Step 5: Solve for x
   x = 10,675,758.73/3,520.67
6. Step 6: Final answer
   x = 3,032.31