Finding the Fourth Proportional to 469,926.72, 648,499.41 and 255,066.75

Step by Step Solution

1. Step 1: Write the proportion equation
   469,926.72 : 648,499.41 = 255,066.75 : x
2. Step 2: Convert to fraction form
   469,926.72/648,499.41 = 255,066.75/x
3. Step 3: Cross multiply
   469,926.72x = 648,499.41 × 255,066.75
4. Step 4: Simplify right side
   469,926.72x = 165,410,636,885.62
5. Step 5: Solve for x
   x = 165,410,636,885.62/469,926.72
6. Step 6: Final answer
   x = 351,992.41