Finding the Fourth Proportional to 269,764.10, 404,111.55 and 236,521.70

Step by Step Solution

1. Step 1: Write the proportion equation
   269,764.10 : 404,111.55 = 236,521.70 : x
2. Step 2: Convert to fraction form
   269,764.10/404,111.55 = 236,521.70/x
3. Step 3: Cross multiply
   269,764.10x = 404,111.55 × 236,521.70
4. Step 4: Simplify right side
   269,764.10x = 95,581,150,795.64
5. Step 5: Solve for x
   x = 95,581,150,795.64/269,764.10
6. Step 6: Final answer
   x = 354,313.83