Finding the Fourth Proportional to 3,809,355.30, 5,257,101.69 and 2,090,461.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,809,355.30 : 5,257,101.69 = 2,090,461.86 : x
2. Step 2: Convert to fraction form
   3,809,355.30/5,257,101.69 = 2,090,461.86/x
3. Step 3: Cross multiply
   3,809,355.30x = 5,257,101.69 × 2,090,461.86
4. Step 4: Simplify right side
   3,809,355.30x = 10,989,770,577,086.54
5. Step 5: Solve for x
   x = 10,989,770,577,086.54/3,809,355.30
6. Step 6: Final answer
   x = 2,884,942.39