Finding the Fourth Proportional to 832,456.50, 1,148,789.98 and 450,483.28

Step by Step Solution

1. Step 1: Write the proportion equation
   832,456.50 : 1,148,789.98 = 450,483.28 : x
2. Step 2: Convert to fraction form
   832,456.50/1,148,789.98 = 450,483.28/x
3. Step 3: Cross multiply
   832,456.50x = 1,148,789.98 × 450,483.28
4. Step 4: Simplify right side
   832,456.50x = 517,510,678,221.53
5. Step 5: Solve for x
   x = 517,510,678,221.53/832,456.50
6. Step 6: Final answer
   x = 621,666.93