Finding the Fourth Proportional to 9,945.04, 14,919.96 and 3,019.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,945.04 : 14,919.96 = 3,019.12 : x
2. Step 2: Convert to fraction form
   9,945.04/14,919.96 = 3,019.12/x
3. Step 3: Cross multiply
   9,945.04x = 14,919.96 × 3,019.12
4. Step 4: Simplify right side
   9,945.04x = 45,045,149.64
5. Step 5: Solve for x
   x = 45,045,149.64/9,945.04
6. Step 6: Final answer
   x = 4,529.41