Finding the Fourth Proportional to 1,488,144.65, 2,053,629.42 and 809,081.15

Step by Step Solution

1. Step 1: Write the proportion equation
   1,488,144.65 : 2,053,629.42 = 809,081.15 : x
2. Step 2: Convert to fraction form
   1,488,144.65/2,053,629.42 = 809,081.15/x
3. Step 3: Cross multiply
   1,488,144.65x = 2,053,629.42 × 809,081.15
4. Step 4: Simplify right side
   1,488,144.65x = 1,661,552,852,807.43
5. Step 5: Solve for x
   x = 1,661,552,852,807.43/1,488,144.65
6. Step 6: Final answer
   x = 1,116,526.44