Finding the Fourth Proportional to 2,075.32, 3,112.14 and 843.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,075.32 : 3,112.14 = 843.34 : x
2. Step 2: Convert to fraction form
   2,075.32/3,112.14 = 843.34/x
3. Step 3: Cross multiply
   2,075.32x = 3,112.14 × 843.34
4. Step 4: Simplify right side
   2,075.32x = 2,624,592.15
5. Step 5: Solve for x
   x = 2,624,592.15/2,075.32
6. Step 6: Final answer
   x = 1,264.67