Finding the Fourth Proportional to 404,607.76, 606,911.94 and 105,063.18

Step by Step Solution

1. Step 1: Write the proportion equation
   404,607.76 : 606,911.94 = 105,063.18 : x
2. Step 2: Convert to fraction form
   404,607.76/606,911.94 = 105,063.18/x
3. Step 3: Cross multiply
   404,607.76x = 606,911.94 × 105,063.18
4. Step 4: Simplify right side
   404,607.76x = 63,764,096,120.45
5. Step 5: Solve for x
   x = 63,764,096,120.45/404,607.76
6. Step 6: Final answer
   x = 157,594.84