Finding the Fourth Proportional to 1,009,020.42, 1,513,933.86 and 410,028.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,009,020.42 : 1,513,933.86 = 410,028.47 : x
2. Step 2: Convert to fraction form
   1,009,020.42/1,513,933.86 = 410,028.47/x
3. Step 3: Cross multiply
   1,009,020.42x = 1,513,933.86 × 410,028.47
4. Step 4: Simplify right side
   1,009,020.42x = 620,755,976,727.33
5. Step 5: Solve for x
   x = 620,755,976,727.33/1,009,020.42
6. Step 6: Final answer
   x = 615,206.56