Finding the Fourth Proportional to 295,196.39, 442,761.78 and 105,649.10

Step by Step Solution

1. Step 1: Write the proportion equation
   295,196.39 : 442,761.78 = 105,649.10 : x
2. Step 2: Convert to fraction form
   295,196.39/442,761.78 = 105,649.10/x
3. Step 3: Cross multiply
   295,196.39x = 442,761.78 × 105,649.10
4. Step 4: Simplify right side
   295,196.39x = 46,777,383,571.40
5. Step 5: Solve for x
   x = 46,777,383,571.40/295,196.39
6. Step 6: Final answer
   x = 158,461.91