Finding the Fourth Proportional to 2,231,222.56, 3,079,070.16 and 1,212,634.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,231,222.56 : 3,079,070.16 = 1,212,634.60 : x
2. Step 2: Convert to fraction form
   2,231,222.56/3,079,070.16 = 1,212,634.60/x
3. Step 3: Cross multiply
   2,231,222.56x = 3,079,070.16 × 1,212,634.60
4. Step 4: Simplify right side
   2,231,222.56x = 3,733,787,011,843.54
5. Step 5: Solve for x
   x = 3,733,787,011,843.54/2,231,222.56
6. Step 6: Final answer
   x = 1,673,426.52