Finding the Fourth Proportional to 2,238,957, 3,089,762.82 and 1,220,365.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238,957 : 3,089,762.82 = 1,220,365.80 : x
2. Step 2: Convert to fraction form
   2,238,957/3,089,762.82 = 1,220,365.80/x
3. Step 3: Cross multiply
   2,238,957x = 3,089,762.82 × 1,220,365.80
4. Step 4: Simplify right side
   2,238,957x = 3,770,640,875,639.56
5. Step 5: Solve for x
   x = 3,770,640,875,639.56/2,238,957
6. Step 6: Final answer
   x = 1,684,105.98