Finding the Fourth Proportional to 3,648.42, 5,472.72 and 2,184.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,648.42 : 5,472.72 = 2,184.30 : x
2. Step 2: Convert to fraction form
   3,648.42/5,472.72 = 2,184.30/x
3. Step 3: Cross multiply
   3,648.42x = 5,472.72 × 2,184.30
4. Step 4: Simplify right side
   3,648.42x = 11,954,062.30
5. Step 5: Solve for x
   x = 11,954,062.30/3,648.42
6. Step 6: Final answer
   x = 3,276.50