Finding the Fourth Proportional to 809,402.79, 1,116,984.89 and 446,826.83

Step by Step Solution

1. Step 1: Write the proportion equation
   809,402.79 : 1,116,984.89 = 446,826.83 : x
2. Step 2: Convert to fraction form
   809,402.79/1,116,984.89 = 446,826.83/x
3. Step 3: Cross multiply
   809,402.79x = 1,116,984.89 × 446,826.83
4. Step 4: Simplify right side
   809,402.79x = 499,098,815,322.47
5. Step 5: Solve for x
   x = 499,098,815,322.47/809,402.79
6. Step 6: Final answer
   x = 616,626.01