Finding the Fourth Proportional to 801,365.48, 1,105,942.59 and 457,209.00

Step by Step Solution

1. Step 1: Write the proportion equation
   801,365.48 : 1,105,942.59 = 457,209.00 : x
2. Step 2: Convert to fraction form
   801,365.48/1,105,942.59 = 457,209.00/x
3. Step 3: Cross multiply
   801,365.48x = 1,105,942.59 × 457,209.00
4. Step 4: Simplify right side
   801,365.48x = 505,646,897,815.55
5. Step 5: Solve for x
   x = 505,646,897,815.55/801,365.48
6. Step 6: Final answer
   x = 630,981.63