Finding the Fourth Proportional to 2,322,661.62, 3,205,164.72 and 1,290,236.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,322,661.62 : 3,205,164.72 = 1,290,236.32 : x
2. Step 2: Convert to fraction form
   2,322,661.62/3,205,164.72 = 1,290,236.32/x
3. Step 3: Cross multiply
   2,322,661.62x = 3,205,164.72 × 1,290,236.32
4. Step 4: Simplify right side
   2,322,661.62x = 4,135,419,933,326.63
5. Step 5: Solve for x
   x = 4,135,419,933,326.63/2,322,661.62
6. Step 6: Final answer
   x = 1,780,465.95