Finding the Fourth Proportional to 814,151.73, 1,123,483.57 and 451,549.56

Step by Step Solution

1. Step 1: Write the proportion equation
   814,151.73 : 1,123,483.57 = 451,549.56 : x
2. Step 2: Convert to fraction form
   814,151.73/1,123,483.57 = 451,549.56/x
3. Step 3: Cross multiply
   814,151.73x = 1,123,483.57 × 451,549.56
4. Step 4: Simplify right side
   814,151.73x = 507,308,511,700.73
5. Step 5: Solve for x
   x = 507,308,511,700.73/814,151.73
6. Step 6: Final answer
   x = 623,112.98