Finding the Fourth Proportional to 469,627.86, 648,086.12 and 254,767.92

Step by Step Solution

1. Step 1: Write the proportion equation
   469,627.86 : 648,086.12 = 254,767.92 : x
2. Step 2: Convert to fraction form
   469,627.86/648,086.12 = 254,767.92/x
3. Step 3: Cross multiply
   469,627.86x = 648,086.12 × 254,767.92
4. Step 4: Simplify right side
   469,627.86x = 165,111,552,773.27
5. Step 5: Solve for x
   x = 165,111,552,773.27/469,627.86
6. Step 6: Final answer
   x = 351,579.55