Finding the Fourth Proportional to 814,381.20, 1,123,852.83 and 451,828.83

Step by Step Solution

1. Step 1: Write the proportion equation
   814,381.20 : 1,123,852.83 = 451,828.83 : x
2. Step 2: Convert to fraction form
   814,381.20/1,123,852.83 = 451,828.83/x
3. Step 3: Cross multiply
   814,381.20x = 1,123,852.83 × 451,828.83
4. Step 4: Simplify right side
   814,381.20x = 507,789,109,271.09
5. Step 5: Solve for x
   x = 507,789,109,271.09/814,381.20
6. Step 6: Final answer
   x = 623,527.54