Finding the Fourth Proportional to 1,362,116.82, 1,879,945.42 and 1,039,216.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,362,116.82 : 1,879,945.42 = 1,039,216.80 : x
2. Step 2: Convert to fraction form
   1,362,116.82/1,879,945.42 = 1,039,216.80/x
3. Step 3: Cross multiply
   1,362,116.82x = 1,879,945.42 × 1,039,216.80
4. Step 4: Simplify right side
   1,362,116.82x = 1,953,670,863,547.06
5. Step 5: Solve for x
   x = 1,953,670,863,547.06/1,362,116.82
6. Step 6: Final answer
   x = 1,434,290.24