Finding the Fourth Proportional to 383,955.72, 529,612.20 and 233,052.72

Step by Step Solution

1. Step 1: Write the proportion equation
   383,955.72 : 529,612.20 = 233,052.72 : x
2. Step 2: Convert to fraction form
   383,955.72/529,612.20 = 233,052.72/x
3. Step 3: Cross multiply
   383,955.72x = 529,612.20 × 233,052.72
4. Step 4: Simplify right side
   383,955.72x = 123,427,563,755.18
5. Step 5: Solve for x
   x = 123,427,563,755.18/383,955.72
6. Step 6: Final answer
   x = 321,463.02