Finding the Fourth Proportional to 1,608,597.71, 2,412,894.53 and 410,520.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,608,597.71 : 2,412,894.53 = 410,520.05 : x
2. Step 2: Convert to fraction form
   1,608,597.71/2,412,894.53 = 410,520.05/x
3. Step 3: Cross multiply
   1,608,597.71x = 2,412,894.53 × 410,520.05
4. Step 4: Simplify right side
   1,608,597.71x = 990,541,587,849.69
5. Step 5: Solve for x
   x = 990,541,587,849.69/1,608,597.71
6. Step 6: Final answer
   x = 615,779.56