Finding the Fourth Proportional to 1,019,162.01, 1,528,926.89 and 419,796.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,019,162.01 : 1,528,926.89 = 419,796.03 : x
2. Step 2: Convert to fraction form
   1,019,162.01/1,528,926.89 = 419,796.03/x
3. Step 3: Cross multiply
   1,019,162.01x = 1,528,926.89 × 419,796.03
4. Step 4: Simplify right side
   1,019,162.01x = 641,837,436,483.27
5. Step 5: Solve for x
   x = 641,837,436,483.27/1,019,162.01
6. Step 6: Final answer
   x = 629,769.78