Finding the Fourth Proportional to 269,323.40, 404,081.54 and 115,384.79

Step by Step Solution

1. Step 1: Write the proportion equation
   269,323.40 : 404,081.54 = 115,384.79 : x
2. Step 2: Convert to fraction form
   269,323.40/404,081.54 = 115,384.79/x
3. Step 3: Cross multiply
   269,323.40x = 404,081.54 × 115,384.79
4. Step 4: Simplify right side
   269,323.40x = 46,624,863,635.78
5. Step 5: Solve for x
   x = 46,624,863,635.78/269,323.40
6. Step 6: Final answer
   x = 173,118.50