Finding the Fourth Proportional to 2,586,533.49, 3,879,799.83 and 789,426.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,586,533.49 : 3,879,799.83 = 789,426.18 : x
2. Step 2: Convert to fraction form
   2,586,533.49/3,879,799.83 = 789,426.18/x
3. Step 3: Cross multiply
   2,586,533.49x = 3,879,799.83 × 789,426.18
4. Step 4: Simplify right side
   2,586,533.49x = 3,062,815,558,961.55
5. Step 5: Solve for x
   x = 3,062,815,558,961.55/2,586,533.49
6. Step 6: Final answer
   x = 1,184,139.15