Finding the Fourth Proportional to 809,222.72, 1,116,727.35 and 451,526.72

Step by Step Solution

1. Step 1: Write the proportion equation
   809,222.72 : 1,116,727.35 = 451,526.72 : x
2. Step 2: Convert to fraction form
   809,222.72/1,116,727.35 = 451,526.72/x
3. Step 3: Cross multiply
   809,222.72x = 1,116,727.35 × 451,526.72
4. Step 4: Simplify right side
   809,222.72x = 504,232,238,608.61
5. Step 5: Solve for x
   x = 504,232,238,608.61/809,222.72
6. Step 6: Final answer
   x = 623,106.87