Finding the Fourth Proportional to 1,815,091.98, 2,504,731.82 and 999,136.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,815,091.98 : 2,504,731.82 = 999,136.28 : x
2. Step 2: Convert to fraction form
   1,815,091.98/2,504,731.82 = 999,136.28/x
3. Step 3: Cross multiply
   1,815,091.98x = 2,504,731.82 × 999,136.28
4. Step 4: Simplify right side
   1,815,091.98x = 2,502,568,433,032.43
5. Step 5: Solve for x
   x = 2,502,568,433,032.43/1,815,091.98
6. Step 6: Final answer
   x = 1,378,755.71