Finding the Fourth Proportional to 1,443,167.69, 1,991,589.12 and 798,647.85

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443,167.69 : 1,991,589.12 = 798,647.85 : x
2. Step 2: Convert to fraction form
   1,443,167.69/1,991,589.12 = 798,647.85/x
3. Step 3: Cross multiply
   1,443,167.69x = 1,991,589.12 × 798,647.85
4. Step 4: Simplify right side
   1,443,167.69x = 1,590,578,368,771.39
5. Step 5: Solve for x
   x = 1,590,578,368,771.39/1,443,167.69
6. Step 6: Final answer
   x = 1,102,143.83