Finding the Fourth Proportional to 2,081,868.72, 3,120,676.20 and 1,181,408.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,081,868.72 : 3,120,676.20 = 1,181,408.64 : x
2. Step 2: Convert to fraction form
   2,081,868.72/3,120,676.20 = 1,181,408.64/x
3. Step 3: Cross multiply
   2,081,868.72x = 3,120,676.20 × 1,181,408.64
4. Step 4: Simplify right side
   2,081,868.72x = 3,686,793,825,322.37
5. Step 5: Solve for x
   x = 3,686,793,825,322.37/2,081,868.72
6. Step 6: Final answer
   x = 1,770,906.01