Finding the Fourth Proportional to 814,056.89, 1,123,436.00 and 451,459.14

Step by Step Solution

1. Step 1: Write the proportion equation
   814,056.89 : 1,123,436.00 = 451,459.14 : x
2. Step 2: Convert to fraction form
   814,056.89/1,123,436.00 = 451,459.14/x
3. Step 3: Cross multiply
   814,056.89x = 1,123,436.00 × 451,459.14
4. Step 4: Simplify right side
   814,056.89x = 507,185,447,320.80
5. Step 5: Solve for x
   x = 507,185,447,320.80/814,056.89
6. Step 6: Final answer
   x = 623,034.41