Finding the Fourth Proportional to 300,005.34, 413,738.91 and 248,936.82

Step by Step Solution

1. Step 1: Write the proportion equation
   300,005.34 : 413,738.91 = 248,936.82 : x
2. Step 2: Convert to fraction form
   300,005.34/413,738.91 = 248,936.82/x
3. Step 3: Cross multiply
   300,005.34x = 413,738.91 × 248,936.82
4. Step 4: Simplify right side
   300,005.34x = 102,994,848,565.67
5. Step 5: Solve for x
   x = 102,994,848,565.67/300,005.34
6. Step 6: Final answer
   x = 343,310.05