Finding the Fourth Proportional to 269,470.98, 404,323.20 and 144,666.18

Step by Step Solution

1. Step 1: Write the proportion equation
   269,470.98 : 404,323.20 = 144,666.18 : x
2. Step 2: Convert to fraction form
   269,470.98/404,323.20 = 144,666.18/x
3. Step 3: Cross multiply
   269,470.98x = 404,323.20 × 144,666.18
4. Step 4: Simplify right side
   269,470.98x = 58,491,892,829.38
5. Step 5: Solve for x
   x = 58,491,892,829.38/269,470.98
6. Step 6: Final answer
   x = 217,061.94