Finding the Fourth Proportional to 469,926.94, 648,499.83 and 255,067.05

Step by Step Solution

1. Step 1: Write the proportion equation
   469,926.94 : 648,499.83 = 255,067.05 : x
2. Step 2: Convert to fraction form
   469,926.94/648,499.83 = 255,067.05/x
3. Step 3: Cross multiply
   469,926.94x = 648,499.83 × 255,067.05
4. Step 4: Simplify right side
   469,926.94x = 165,410,937,288.27
5. Step 5: Solve for x
   x = 165,410,937,288.27/469,926.94
6. Step 6: Final answer
   x = 351,992.88