Finding the Fourth Proportional to 501,223.59, 751,974.12 and 231,434.28

Step by Step Solution

1. Step 1: Write the proportion equation
   501,223.59 : 751,974.12 = 231,434.28 : x
2. Step 2: Convert to fraction form
   501,223.59/751,974.12 = 231,434.28/x
3. Step 3: Cross multiply
   501,223.59x = 751,974.12 × 231,434.28
4. Step 4: Simplify right side
   501,223.59x = 174,032,589,040.83
5. Step 5: Solve for x
   x = 174,032,589,040.83/501,223.59
6. Step 6: Final answer
   x = 347,215.48