Finding the Fourth Proportional to 1,362,081.63, 1,879,672.56 and 789,453.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,362,081.63 : 1,879,672.56 = 789,453.96 : x
2. Step 2: Convert to fraction form
   1,362,081.63/1,879,672.56 = 789,453.96/x
3. Step 3: Cross multiply
   1,362,081.63x = 1,879,672.56 × 789,453.96
4. Step 4: Simplify right side
   1,362,081.63x = 1,483,914,945,995.34
5. Step 5: Solve for x
   x = 1,483,914,945,995.34/1,362,081.63
6. Step 6: Final answer
   x = 1,089,446.41