Finding the Fourth Proportional to 2,124,405, 3,184,338.42 and 1,211,622.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,124,405 : 3,184,338.42 = 1,211,622.27 : x
2. Step 2: Convert to fraction form
   2,124,405/3,184,338.42 = 1,211,622.27/x
3. Step 3: Cross multiply
   2,124,405x = 3,184,338.42 × 1,211,622.27
4. Step 4: Simplify right side
   2,124,405x = 3,858,215,344,888.61
5. Step 5: Solve for x
   x = 3,858,215,344,888.61/2,124,405
6. Step 6: Final answer
   x = 1,816,139.27