Finding the Fourth Proportional to 2,189,361.34, 3,021,290.04 and 1,222,508.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,189,361.34 : 3,021,290.04 = 1,222,508.08 : x
2. Step 2: Convert to fraction form
   2,189,361.34/3,021,290.04 = 1,222,508.08/x
3. Step 3: Cross multiply
   2,189,361.34x = 3,021,290.04 × 1,222,508.08
4. Step 4: Simplify right side
   2,189,361.34x = 3,693,551,485,923.52
5. Step 5: Solve for x
   x = 3,693,551,485,923.52/2,189,361.34
6. Step 6: Final answer
   x = 1,687,045.18