Finding the Fourth Proportional to 300,968.96, 415,338.72 and 173,649.92

Step by Step Solution

1. Step 1: Write the proportion equation
   300,968.96 : 415,338.72 = 173,649.92 : x
2. Step 2: Convert to fraction form
   300,968.96/415,338.72 = 173,649.92/x
3. Step 3: Cross multiply
   300,968.96x = 415,338.72 × 173,649.92
4. Step 4: Simplify right side
   300,968.96x = 72,123,535,500.90
5. Step 5: Solve for x
   x = 72,123,535,500.90/300,968.96
6. Step 6: Final answer
   x = 239,637.79