Finding the Fourth Proportional to 2,075.75, 2,864.42 and 1,179.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,075.75 : 2,864.42 = 1,179.47 : x
2. Step 2: Convert to fraction form
   2,075.75/2,864.42 = 1,179.47/x
3. Step 3: Cross multiply
   2,075.75x = 2,864.42 × 1,179.47
4. Step 4: Simplify right side
   2,075.75x = 3,378,507.57
5. Step 5: Solve for x
   x = 3,378,507.57/2,075.75
6. Step 6: Final answer
   x = 1,627.61