Finding the Fourth Proportional to 2,405,109.24, 3,607,995.18 and 808,128.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,405,109.24 : 3,607,995.18 = 808,128.60 : x
2. Step 2: Convert to fraction form
   2,405,109.24/3,607,995.18 = 808,128.60/x
3. Step 3: Cross multiply
   2,405,109.24x = 3,607,995.18 × 808,128.60
4. Step 4: Simplify right side
   2,405,109.24x = 2,915,724,093,620.15
5. Step 5: Solve for x
   x = 2,915,724,093,620.15/2,405,109.24
6. Step 6: Final answer
   x = 1,212,304.23