Finding the Fourth Proportional to 469,661.24, 648,132.72 and 254,801.24

Step by Step Solution

1. Step 1: Write the proportion equation
   469,661.24 : 648,132.72 = 254,801.24 : x
2. Step 2: Convert to fraction form
   469,661.24/648,132.72 = 254,801.24/x
3. Step 3: Cross multiply
   469,661.24x = 648,132.72 × 254,801.24
4. Step 4: Simplify right side
   469,661.24x = 165,145,020,740.57
5. Step 5: Solve for x
   x = 165,145,020,740.57/469,661.24
6. Step 6: Final answer
   x = 351,625.82