Finding the Fourth Proportional to 284,960.72, 428,216.52 and 151,934.96

Step by Step Solution

1. Step 1: Write the proportion equation
   284,960.72 : 428,216.52 = 151,934.96 : x
2. Step 2: Convert to fraction form
   284,960.72/428,216.52 = 151,934.96/x
3. Step 3: Cross multiply
   284,960.72x = 428,216.52 × 151,934.96
4. Step 4: Simplify right side
   284,960.72x = 65,061,059,837.54
5. Step 5: Solve for x
   x = 65,061,059,837.54/284,960.72
6. Step 6: Final answer
   x = 228,315.89