Finding the Fourth Proportional to 2,239,139.72, 3,089,039.76 and 1,422,906.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,239,139.72 : 3,089,039.76 = 1,422,906.37 : x
2. Step 2: Convert to fraction form
   2,239,139.72/3,089,039.76 = 1,422,906.37/x
3. Step 3: Cross multiply
   2,239,139.72x = 3,089,039.76 × 1,422,906.37
4. Step 4: Simplify right side
   2,239,139.72x = 4,395,414,343,964.67
5. Step 5: Solve for x
   x = 4,395,414,343,964.67/2,239,139.72
6. Step 6: Final answer
   x = 1,962,992.44