Finding the Fourth Proportional to 510,738.72, 766,438.56 and 230,238.96

Step by Step Solution

1. Step 1: Write the proportion equation
   510,738.72 : 766,438.56 = 230,238.96 : x
2. Step 2: Convert to fraction form
   510,738.72/766,438.56 = 230,238.96/x
3. Step 3: Cross multiply
   510,738.72x = 766,438.56 × 230,238.96
4. Step 4: Simplify right side
   510,738.72x = 176,464,016,958.30
5. Step 5: Solve for x
   x = 176,464,016,958.30/510,738.72
6. Step 6: Final answer
   x = 345,507.42