Finding the Fourth Proportional to 1,362,688.56, 1,880,093.94 and 789,618

Step by Step Solution

1. Step 1: Write the proportion equation
   1,362,688.56 : 1,880,093.94 = 789,618 : x
2. Step 2: Convert to fraction form
   1,362,688.56/1,880,093.94 = 789,618/x
3. Step 3: Cross multiply
   1,362,688.56x = 1,880,093.94 × 789,618
4. Step 4: Simplify right side
   1,362,688.56x = 1,484,556,016,714.92
5. Step 5: Solve for x
   x = 1,484,556,016,714.92/1,362,688.56
6. Step 6: Final answer
   x = 1,089,431.63