Finding the Fourth Proportional to 824,061.12, 1,236,446.86 and 444,906.56

Step by Step Solution

1. Step 1: Write the proportion equation
   824,061.12 : 1,236,446.86 = 444,906.56 : x
2. Step 2: Convert to fraction form
   824,061.12/1,236,446.86 = 444,906.56/x
3. Step 3: Cross multiply
   824,061.12x = 1,236,446.86 × 444,906.56
4. Step 4: Simplify right side
   824,061.12x = 550,103,319,105.40
5. Step 5: Solve for x
   x = 550,103,319,105.40/824,061.12
6. Step 6: Final answer
   x = 667,551.60