Finding the Fourth Proportional to 469,926.69, 648,499.48 and 255,066.79

Step by Step Solution

1. Step 1: Write the proportion equation
   469,926.69 : 648,499.48 = 255,066.79 : x
2. Step 2: Convert to fraction form
   469,926.69/648,499.48 = 255,066.79/x
3. Step 3: Cross multiply
   469,926.69x = 648,499.48 × 255,066.79
4. Step 4: Simplify right side
   469,926.69x = 165,410,680,680.27
5. Step 5: Solve for x
   x = 165,410,680,680.27/469,926.69
6. Step 6: Final answer
   x = 351,992.52