Finding the Fourth Proportional to 832,456.45, 1,148,789.89 and 450,483.23

Step by Step Solution

1. Step 1: Write the proportion equation
   832,456.45 : 1,148,789.89 = 450,483.23 : x
2. Step 2: Convert to fraction form
   832,456.45/1,148,789.89 = 450,483.23/x
3. Step 3: Cross multiply
   832,456.45x = 1,148,789.89 × 450,483.23
4. Step 4: Simplify right side
   832,456.45x = 517,510,583,673.62
5. Step 5: Solve for x
   x = 517,510,583,673.62/832,456.45
6. Step 6: Final answer
   x = 621,666.85