Finding the Fourth Proportional to 479,105.34, 718,729.78 and 154,785.06

Step by Step Solution

1. Step 1: Write the proportion equation
   479,105.34 : 718,729.78 = 154,785.06 : x
2. Step 2: Convert to fraction form
   479,105.34/718,729.78 = 154,785.06/x
3. Step 3: Cross multiply
   479,105.34x = 718,729.78 × 154,785.06
4. Step 4: Simplify right side
   479,105.34x = 111,248,632,121.09
5. Step 5: Solve for x
   x = 111,248,632,121.09/479,105.34
6. Step 6: Final answer
   x = 232,200.78