Finding the Fourth Proportional to 414,972.43, 572,671.71 and 231,223.42

Step by Step Solution

1. Step 1: Write the proportion equation
   414,972.43 : 572,671.71 = 231,223.42 : x
2. Step 2: Convert to fraction form
   414,972.43/572,671.71 = 231,223.42/x
3. Step 3: Cross multiply
   414,972.43x = 572,671.71 × 231,223.42
4. Step 4: Simplify right side
   414,972.43x = 132,415,111,323.45
5. Step 5: Solve for x
   x = 132,415,111,323.45/414,972.43
6. Step 6: Final answer
   x = 319,093.76