Finding the Fourth Proportional to 456,128.67, 629,456.00 and 254,924.67

Step by Step Solution

1. Step 1: Write the proportion equation
   456,128.67 : 629,456.00 = 254,924.67 : x
2. Step 2: Convert to fraction form
   456,128.67/629,456.00 = 254,924.67/x
3. Step 3: Cross multiply
   456,128.67x = 629,456.00 × 254,924.67
4. Step 4: Simplify right side
   456,128.67x = 160,463,861,804.90
5. Step 5: Solve for x
   x = 160,463,861,804.90/456,128.67
6. Step 6: Final answer
   x = 351,795.17