Finding the Fourth Proportional to 2,949.50, 4,419.30 and 2,429.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,949.50 : 4,419.30 = 2,429.12 : x
2. Step 2: Convert to fraction form
   2,949.50/4,419.30 = 2,429.12/x
3. Step 3: Cross multiply
   2,949.50x = 4,419.30 × 2,429.12
4. Step 4: Simplify right side
   2,949.50x = 10,735,010.02
5. Step 5: Solve for x
   x = 10,735,010.02/2,949.50
6. Step 6: Final answer
   x = 3,639.60