Finding the Fourth Proportional to 2,075.69, 3,114.78 and 843.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,075.69 : 3,114.78 = 843.01 : x
2. Step 2: Convert to fraction form
   2,075.69/3,114.78 = 843.01/x
3. Step 3: Cross multiply
   2,075.69x = 3,114.78 × 843.01
4. Step 4: Simplify right side
   2,075.69x = 2,625,784.48
5. Step 5: Solve for x
   x = 2,625,784.48/2,075.69
6. Step 6: Final answer
   x = 1,265.02