Finding the Fourth Proportional to 284,962.72, 428,219.52 and 151,936.96

Step by Step Solution

1. Step 1: Write the proportion equation
   284,962.72 : 428,219.52 = 151,936.96 : x
2. Step 2: Convert to fraction form
   284,962.72/428,219.52 = 151,936.96/x
3. Step 3: Cross multiply
   284,962.72x = 428,219.52 × 151,936.96
4. Step 4: Simplify right side
   284,962.72x = 65,062,372,081.46
5. Step 5: Solve for x
   x = 65,062,372,081.46/284,962.72
6. Step 6: Final answer
   x = 228,318.89