Finding the Fourth Proportional to 300,072.32, 413,958.84 and 214,050.32

Step by Step Solution

1. Step 1: Write the proportion equation
   300,072.32 : 413,958.84 = 214,050.32 : x
2. Step 2: Convert to fraction form
   300,072.32/413,958.84 = 214,050.32/x
3. Step 3: Cross multiply
   300,072.32x = 413,958.84 × 214,050.32
4. Step 4: Simplify right side
   300,072.32x = 88,608,022,168.83
5. Step 5: Solve for x
   x = 88,608,022,168.83/300,072.32
6. Step 6: Final answer
   x = 295,288.89