Finding the Fourth Proportional to 2,420.56, 3,630.78 and 1,446.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,420.56 : 3,630.78 = 1,446.94 : x
2. Step 2: Convert to fraction form
   2,420.56/3,630.78 = 1,446.94/x
3. Step 3: Cross multiply
   2,420.56x = 3,630.78 × 1,446.94
4. Step 4: Simplify right side
   2,420.56x = 5,253,520.81
5. Step 5: Solve for x
   x = 5,253,520.81/2,420.56
6. Step 6: Final answer
   x = 2,170.37