Finding the Fourth Proportional to 2,636,658, 3,955,399.56 and 839,944.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,636,658 : 3,955,399.56 = 839,944.08 : x
2. Step 2: Convert to fraction form
   2,636,658/3,955,399.56 = 839,944.08/x
3. Step 3: Cross multiply
   2,636,658x = 3,955,399.56 × 839,944.08
4. Step 4: Simplify right side
   2,636,658x = 3,322,314,444,456.60
5. Step 5: Solve for x
   x = 3,322,314,444,456.60/2,636,658
6. Step 6: Final answer
   x = 1,260,047.55