Finding the Fourth Proportional to 9,345.43, 14,019.54 and 3,018.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,345.43 : 14,019.54 = 3,018.18 : x
2. Step 2: Convert to fraction form
   9,345.43/14,019.54 = 3,018.18/x
3. Step 3: Cross multiply
   9,345.43x = 14,019.54 × 3,018.18
4. Step 4: Simplify right side
   9,345.43x = 42,313,495.24
5. Step 5: Solve for x
   x = 42,313,495.24/9,345.43
6. Step 6: Final answer
   x = 4,527.72