Finding the Fourth Proportional to 1,361,273.81, 2,042,144.00 and 414,468.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,361,273.81 : 2,042,144.00 = 414,468.05 : x
2. Step 2: Convert to fraction form
   1,361,273.81/2,042,144.00 = 414,468.05/x
3. Step 3: Cross multiply
   1,361,273.81x = 2,042,144.00 × 414,468.05
4. Step 4: Simplify right side
   1,361,273.81x = 846,403,439,426.86
5. Step 5: Solve for x
   x = 846,403,439,426.86/1,361,273.81
6. Step 6: Final answer
   x = 621,773.10